20264488 has 16 divisors (see below), whose sum is σ = 39996000. Its totient is φ = 9598896.

The previous prime is 20264479. The next prime is 20264509. The reversal of 20264488 is 88446202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 66508 + ... + 66811.

It is an arithmetic number, because the mean of its divisors is an integer number (2499750).

Almost surely, 2^20264488 is an apocalyptic number.

It is an amenable number.

20264488 is a deficient number, since it is larger than the sum of its proper divisors (19731512).

20264488 is a wasteful number, since it uses less digits than its factorization.

20264488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133344 (or 133340 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 20264488 is about 4501.6094899491. The cubic root of 20264488 is about 272.6330769919.

The spelling of 20264488 in words is "twenty million, two hundred sixty-four thousand, four hundred eighty-eight".