20871264332 has 12 divisors (see below), whose sum is σ = 36935103240. Its totient is φ = 10318377696.

The previous prime is 20871264331. The next prime is 20871264341. The reversal of 20871264332 is 23346217802.

It is not an unprimeable number, because it can be changed into a prime (20871264331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29313218 + ... + 29313929.

It is an arithmetic number, because the mean of its divisors is an integer number (3077925270).

Almost surely, 2^20871264332 is an apocalyptic number.

It is an amenable number.

20871264332 is a deficient number, since it is larger than the sum of its proper divisors (16063838908).

20871264332 is a wasteful number, since it uses less digits than its factorization.

20871264332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58627240 (or 58627238 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 20871264332 in words is "twenty billion, eight hundred seventy-one million, two hundred sixty-four thousand, three hundred thirty-two".