20769732038 has 12 divisors (see below), whose sum is σ = 34244310660. Its totient is φ = 9440787180.

The previous prime is 20769732037. The next prime is 20769732041. The reversal of 20769732038 is 83023796702.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20769731983 and 20769732001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20769732037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42912428 + ... + 42912911.

It is an arithmetic number, because the mean of its divisors is an integer number (2853692555).

Almost surely, 2^20769732038 is an apocalyptic number.

20769732038 is a deficient number, since it is larger than the sum of its proper divisors (13474578622).

20769732038 is a wasteful number, since it uses less digits than its factorization.

20769732038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85825363 (or 85825352 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 20769732038 in words is "twenty billion, seven hundred sixty-nine million, seven hundred thirty-two thousand, thirty-eight".