20465344 has 28 divisors (see below), whose sum is σ = 40937688. Its totient is φ = 10150400.

The previous prime is 20465323. The next prime is 20465353. The reversal of 20465344 is 44356402.

20465344 = 2² + 3² + ... + 394².

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7164 + ... + 9604.

Almost surely, 2^20465344 is an apocalyptic number.

It is an amenable number.

20465344 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

20465344 is a wasteful number, since it uses less digits than its factorization.

20465344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 20465344 is about 4523.8638352629. The cubic root of 20465344 is about 273.5308718119.

The spelling of 20465344 in words is "twenty million, four hundred sixty-five thousand, three hundred forty-four".