20264697 has 24 divisors (see below), whose sum is σ = 32628960. Its totient is φ = 12044160.

The previous prime is 20264693. The next prime is 20264711. The reversal of 20264697 is 79646202.

It is a happy number.

20264697 is a `hidden beast` number, since 2 + 0 + 2 + 646 + 9 + 7 = 666.

It is not a de Polignac number, because 20264697 - 2² = 20264693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20264693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579 + ... + 6392.

It is an arithmetic number, because the mean of its divisors is an integer number (1359540).

Almost surely, 2^20264697 is an apocalyptic number.

It is an amenable number.

20264697 is a deficient number, since it is larger than the sum of its proper divisors (12364263).

20264697 is a wasteful number, since it uses less digits than its factorization.

20264697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 20264697 is about 4501.6327038087. The cubic root of 20264697 is about 272.6340142656.

The spelling of 20264697 in words is "twenty million, two hundred sixty-four thousand, six hundred ninety-seven".