20466264 has 64 divisors (see below), whose sum is σ = 62979840. Its totient is φ = 5397120.

The previous prime is 20466239. The next prime is 20466269. The reversal of 20466264 is 46266402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20466269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502 + ... + 6869.

It is an arithmetic number, because the mean of its divisors is an integer number (984060).

Almost surely, 2^20466264 is an apocalyptic number.

20466264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20466264 is an abundant number, since it is smaller than the sum of its proper divisors (42513576).

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

20466264 is a wasteful number, since it uses less digits than its factorization.

20466264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400 (or 9396 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 20466264 is about 4523.9655171100. The cubic root of 20466264 is about 273.5349705236.

The spelling of 20466264 in words is "twenty million, four hundred sixty-six thousand, two hundred sixty-four".