20372331514636 has 6 divisors (see below), whose sum is σ = 35651580150620. Its totient is φ = 10186165757316.

The previous prime is 20372331514609. The next prime is 20372331514657. The reversal of 20372331514636 is 63641513327302.

It is a happy number.

It is a super-2 number, since 2×20372331514636² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2546541439326 + ... + 2546541439333.

Almost surely, 2^{20372331514636} is an apocalyptic number.

It is an amenable number.

20372331514636 is a deficient number, since it is larger than the sum of its proper divisors (15279248635984).

20372331514636 is a wasteful number, since it uses less digits than its factorization.

20372331514636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093082878663 (or 5093082878661 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 20372331514636 in words is "twenty trillion, three hundred seventy-two billion, three hundred thirty-one million, five hundred fourteen thousand, six hundred thirty-six".