20732260032 has 126 divisors (see below), whose sum is σ = 65318915844. Its totient is φ = 6282481920.

The previous prime is 20732259997. The next prime is 20732260033. The reversal of 20732260032 is 23006223702.

20732260032 is a `hidden beast` number, since 2 + 0 + 7 + 3 + 22 + 600 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20732259978 and 20732260005.

It is not an unprimeable number, because it can be changed into a prime (20732260033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 79038 + ... + 218429.

It is an arithmetic number, because the mean of its divisors is an integer number (518404094).

Almost surely, 2^20732260032 is an apocalyptic number.

20732260032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20732260032 is an abundant number, since it is smaller than the sum of its proper divisors (44586655812).

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

20732260032 is a wasteful number, since it uses less digits than its factorization.

20732260032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297507 (or 297483 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 20732260032 its reverse (23006223702), we get a palindrome (43738483734).

The spelling of 20732260032 in words is "twenty billion, seven hundred thirty-two million, two hundred sixty thousand, thirty-two".