20412325056 has 112 divisors (see below), whose sum is σ = 55588204800. Its totient is φ = 6607856640.

The previous prime is 20412324991. The next prime is 20412325147. The reversal of 20412325056 is 65052321402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902170 + ... + 924518.

Almost surely, 2^20412325056 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 20412325056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27794102400).

20412325056 is an abundant number, since it is smaller than the sum of its proper divisors (35175879744).

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

20412325056 is a wasteful number, since it uses less digits than its factorization.

20412325056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22502 (or 22492 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20412325056 its reverse (65052321402), we get a palindrome (85464646458).

The spelling of 20412325056 in words is "twenty billion, four hundred twelve million, three hundred twenty-five thousand, fifty-six".