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20095897600 = 212524432
BaseRepresentation
bin10010101101110011…
…110001000000000000
31220212111222101000201
4102231303301000000
5312124022210400
613122032454544
71310665211512
oct225563610000
956774871021
1020095897600
118582679339
123a8a0aa454
131b8351308c
14d88d29bb2
157c93b006a
hex4adcf1000

20095897600 has 117 divisors (see below), whose sum is σ = 49944483253. Its totient is φ = 8020213760.

The previous prime is 20095897567. The next prime is 20095897607. The reversal of 20095897600 is 679859002.

The square root of 20095897600 is 141760.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7234523136 + 12861374464 = 85056^2 + 113408^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20095897607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45362979 + ... + 45363421.

Almost surely, 220095897600 is an apocalyptic number.

20095897600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

20095897600 is the 141760-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20095897600

20095897600 is an abundant number, since it is smaller than the sum of its proper divisors (29848585653).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20095897600 is an frugal number, since it uses more digits than its factorization.

20095897600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 20095897600 in words is "twenty billion, ninety-five million, eight hundred ninety-seven thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 443 512 640 800 886 1024 1280 1600 1772 2048 2215 2560 3200 3544 4096 4430 5120 6400 7088 8860 10240 11075 12800 14176 17720 20480 22150 25600 28352 35440 44300 51200 56704 70880 88600 102400 113408 141760 177200 196249 226816 283520 354400 392498 453632 567040 708800 784996 907264 981245 1134080 1417600 1569992 1814528 1962490 2268160 2835200 3139984 3924980 4536320 4906225 5670400 6279968 7849960 9072640 9812450 11340800 12559936 15699920 19624900 22681600 25119872 31399840 39249800 45363200 50239744 62799680 78499600 100479488 125599360 156999200 200958976 251198720 313998400 401917952 502397440 627996800 803835904 1004794880 1255993600 2009589760 2511987200 4019179520 5023974400 10047948800 20095897600