20042637752 has 64 divisors (see below), whose sum is σ = 38596889760. Its totient is φ = 9754214400.

The previous prime is 20042637737. The next prime is 20042637773. The reversal of 20042637752 is 25773624002.

It is a super-2 number, since 2×20042637752² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 22697903 + ... + 22698785.

Almost surely, 2^20042637752 is an apocalyptic number.

It is an amenable number.

20042637752 is a deficient number, since it is larger than the sum of its proper divisors (18554252008).

20042637752 is a wasteful number, since it uses less digits than its factorization.

20042637752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 20042637752 in words is "twenty billion, forty-two million, six hundred thirty-seven thousand, seven hundred fifty-two".