20057245632 has 84 divisors (see below), whose sum is σ = 57520840000. Its totient is φ = 6682217472.

The previous prime is 20057245631. The next prime is 20057245673. The reversal of 20057245632 is 23654275002.

20057245632 is a `hidden beast` number, since 2 + 0 + 0 + 572 + 4 + 56 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057245631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226244 + ... + 1242492.

Almost surely, 2^20057245632 is an apocalyptic number.

It is an amenable number.

20057245632 is an abundant number, since it is smaller than the sum of its proper divisors (37463594368).

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

20057245632 is a wasteful number, since it uses less digits than its factorization.

20057245632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18410 (or 18397 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 20057245632 in words is "twenty billion, fifty-seven million, two hundred forty-five thousand, six hundred thirty-two".