20264967 has 12 divisors (see below), whose sum is σ = 29396224. Its totient is φ = 13452480.

The previous prime is 20264929. The next prime is 20264977. The reversal of 20264967 is 76946202.

It is a happy number.

20264967 is a `hidden beast` number, since 2 + 0 + 2 + 649 + 6 + 7 = 666.

It is not a de Polignac number, because 20264967 - 2⁸ = 20264711 is a prime.

It is a super-2 number, since 2×20264967² = 821337775022178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20264927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2503 + ... + 6840.

Almost surely, 2^20264967 is an apocalyptic number.

20264967 is a deficient number, since it is larger than the sum of its proper divisors (9131257).

20264967 is a wasteful number, since it uses less digits than its factorization.

20264967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590 (or 9587 counting only the distinct ones).

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

The square root of 20264967 is about 4501.6626928281. The cubic root of 20264967 is about 272.6352250882.

The spelling of 20264967 in words is "twenty million, two hundred sixty-four thousand, nine hundred sixty-seven".