20264624 has 10 divisors (see below), whose sum is σ = 39262740. Its totient is φ = 10132304.

The previous prime is 20264609. The next prime is 20264689. The reversal of 20264624 is 42646202.

It is a super-2 number, since 2×20264624² = 821309971722752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20264593 and 20264602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633254 + ... + 633285.

It is an arithmetic number, because the mean of its divisors is an integer number (3926274).

Almost surely, 2^20264624 is an apocalyptic number.

It is an amenable number.

20264624 is a deficient number, since it is larger than the sum of its proper divisors (18998116).

20264624 is a wasteful number, since it uses less digits than its factorization.

20264624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266547 (or 1266541 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20264624 is about 4501.6245956321. The cubic root of 20264624 is about 272.6336868932.

The spelling of 20264624 in words is "twenty million, two hundred sixty-four thousand, six hundred twenty-four".