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20232144200 = 2352888711383
BaseRepresentation
bin10010110101111011…
…100000010101001000
31221020000100102020002
4102311323200111020
5312413412103300
613143341022132
71314241250102
oct226573402510
957200312202
1020232144200
118642577434
123b07854948
131ba5807b78
14d9d074572
157d63245d5
hex4b5ee0548

20232144200 has 48 divisors (see below), whose sum is σ = 47049161280. Its totient is φ = 8091236160.

The previous prime is 20232144199. The next prime is 20232144209. The reversal of 20232144200 is 244123202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20232144209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1771709 + ... + 1783091.

It is an arithmetic number, because the mean of its divisors is an integer number (980190860).

Almost surely, 220232144200 is an apocalyptic number.

20232144200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232144200 is an abundant number, since it is smaller than the sum of its proper divisors (26817017080).

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

20232144200 is a wasteful number, since it uses less digits than its factorization.

20232144200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20286 (or 20277 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20232144200 its reverse (244123202), we get a palindrome (20476267402).

The spelling of 20232144200 in words is "twenty billion, two hundred thirty-two million, one hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 8887 11383 17774 22766 35548 44435 45532 56915 71096 88870 91064 113830 177740 222175 227660 284575 355480 444350 455320 569150 888700 1138300 1777400 2276600 101160721 202321442 404642884 505803605 809285768 1011607210 2023214420 2529018025 4046428840 5058036050 10116072100 20232144200