20372239630512 has 480 divisors, whose sum is σ = 74858024017920. Its totient is φ = 5010680839680.

The previous prime is 20372239630511. The next prime is 20372239630517. The reversal of 20372239630512 is 21503693227302.

20372239630512 is a `hidden beast` number, since 2 + 0 + 3 + 7 + 2 + 2 + 3 + 9 + 630 + 5 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (20372239630511) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 481785723 + ... + 481828005.

It is an arithmetic number, because the mean of its divisors is an integer number (155954216704).

Almost surely, 2^{20372239630512} is an apocalyptic number.

20372239630512 is a gapful number since it is divisible by the number (22) 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 20372239630512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37429012008960).

20372239630512 is an abundant number, since it is smaller than the sum of its proper divisors (54485784387408).

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

20372239630512 is a wasteful number, since it uses less digits than its factorization.

20372239630512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44621 (or 44612 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 20372239630512 in words is "twenty trillion, three hundred seventy-two billion, two hundred thirty-nine million, six hundred thirty thousand, five hundred twelve".