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20032300000 = 2555200323
BaseRepresentation
bin10010101010000001…
…001010001111100000
31220201002022021112001
4102222001022033200
5312011232100000
613111441413344
71306263511666
oct225201121740
956632267461
1020032300000
11854a790539
123a7093a254
131b732a676b
14d806d2c36
157c39eb46a
hex4aa04a3e0

20032300000 has 72 divisors (see below), whose sum is σ = 49295329272. Its totient is φ = 8012880000.

The previous prime is 20032299997. The next prime is 20032300007. The reversal of 20032300000 is 323002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 20032300000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032300007) 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 11 ways as a sum of consecutive naturals, for example, 162 + ... + 200161.

It is an arithmetic number, because the mean of its divisors is an integer number (684657351).

Almost surely, 220032300000 is an apocalyptic number.

20032300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20032300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24647664636).

20032300000 is an abundant number, since it is smaller than the sum of its proper divisors (29263029272).

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

20032300000 is an frugal number, since it uses more digits than its factorization.

20032300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200358 (or 200330 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

Adding to 20032300000 its reverse (323002), we get a palindrome (20032623002).

The spelling of 20032300000 in words is "twenty billion, thirty-two million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 200323 400646 801292 1001615 1602584 2003230 3205168 4006460 5008075 6410336 8012920 10016150 16025840 20032300 25040375 32051680 40064600 50080750 80129200 100161500 125201875 160258400 200323000 250403750 400646000 500807500 626009375 801292000 1001615000 1252018750 2003230000 2504037500 4006460000 5008075000 10016150000 20032300000