20287631164332 has 48 divisors (see below), whose sum is σ = 55204438553600. Its totient is φ = 5796466045776.

The previous prime is 20287631164321. The next prime is 20287631164343. The reversal of 20287631164332 is 23346113678202.

It is an interprime number because it is at equal distance from previous prime (20287631164321) and next prime (20287631164343).

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, 2464479748 + ... + 2464487979.

Almost surely, 2^{20287631164332} is an apocalyptic number.

It is an amenable number.

20287631164332 is an abundant number, since it is smaller than the sum of its proper divisors (34916807389268).

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

20287631164332 is a wasteful number, since it uses less digits than its factorization.

20287631164332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928967755 (or 4928967739 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 20287631164332 in words is "twenty trillion, two hundred eighty-seven billion, six hundred thirty-one million, one hundred sixty-four thousand, three hundred thirty-two".