20876967236 has 24 divisors (see below), whose sum is σ = 37744143360. Its totient is φ = 10093478400.

The previous prime is 20876967233. The next prime is 20876967257. The reversal of 20876967236 is 63276967802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20876967233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84260 + ... + 221028.

It is an arithmetic number, because the mean of its divisors is an integer number (1572672640).

Almost surely, 2^20876967236 is an apocalyptic number.

It is an amenable number.

20876967236 is a deficient number, since it is larger than the sum of its proper divisors (16867176124).

20876967236 is a wasteful number, since it uses less digits than its factorization.

20876967236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138035 (or 138033 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 20876967236 in words is "twenty billion, eight hundred seventy-six million, nine hundred sixty-seven thousand, two hundred thirty-six".