20462160172 has 48 divisors (see below), whose sum is σ = 37366530880. Its totient is φ = 9795520512.

The previous prime is 20462160163. The next prime is 20462160203. The reversal of 20462160172 is 27106126402.

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, 5259604 + ... + 5263492.

Almost surely, 2^20462160172 is an apocalyptic number.

It is an amenable number.

20462160172 is a deficient number, since it is larger than the sum of its proper divisors (16904370708).

20462160172 is a wasteful number, since it uses less digits than its factorization.

20462160172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 20462160172 its reverse (27106126402), we get a palindrome (47568286574).

The spelling of 20462160172 in words is "twenty billion, four hundred sixty-two million, one hundred sixty thousand, one hundred seventy-two".