20692272 has 40 divisors (see below), whose sum is σ = 55782144. Its totient is φ = 6597184.

The previous prime is 20692261. The next prime is 20692277. The reversal of 20692272 is 27229602.

It is not an unprimeable number, because it can be changed into a prime (20692277) 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, 8268 + ... + 10475.

Almost surely, 2^20692272 is an apocalyptic number.

It is an amenable number.

20692272 is an abundant number, since it is smaller than the sum of its proper divisors (35089872).

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

20692272 is a wasteful number, since it uses less digits than its factorization.

20692272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18777 (or 18771 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20692272 is about 4548.8759051001. The cubic root of 20692272 is about 274.5381647726.

The spelling of 20692272 in words is "twenty million, six hundred ninety-two thousand, two hundred seventy-two".