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20002130232 = 23371773197487
BaseRepresentation
bin10010101000001110…
…000100100100111000
31220121222112111101020
4102220032010210320
5311431021131412
613104443022440
71305446205330
oct225016044470
956558474336
1020002130232
118534754547
123a6280aa20
131b69c72426
14d7a6bc0c0
157c103c18c
hex4a8384938

20002130232 has 256 divisors, whose sum is σ = 61777520640. Its totient is φ = 5267275776.

The previous prime is 20002130191. The next prime is 20002130237. The reversal of 20002130232 is 23203120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002130237) 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 63 ways as a sum of consecutive naturals, for example, 41071893 + ... + 41072379.

It is an arithmetic number, because the mean of its divisors is an integer number (241318440).

Almost surely, 220002130232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002130232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30888760320).

20002130232 is an abundant number, since it is smaller than the sum of its proper divisors (41775390408).

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

20002130232 is a wasteful number, since it uses less digits than its factorization.

20002130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20002130232 its reverse (23203120002), we get a palindrome (43205250234).

The spelling of 20002130232 in words is "twenty billion, two million, one hundred thirty thousand, two hundred thirty-two".