20056744 has 8 divisors (see below), whose sum is σ = 37606410. Its totient is φ = 10028368.

The previous prime is 20056703. The next prime is 20056769. The reversal of 20056744 is 44765002.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 8236900 = 3438^2 + 2870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253539 + ... + 1253554.

Almost surely, 2^20056744 is an apocalyptic number.

It is an amenable number.

20056744 is a deficient number, since it is larger than the sum of its proper divisors (17549666).

20056744 is a wasteful number, since it uses less digits than its factorization.

20056744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507099 (or 2507095 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 20056744 is about 4478.4756335164. The cubic root of 20056744 is about 271.6982307829.

The spelling of 20056744 in words is "twenty million, fifty-six thousand, seven hundred forty-four".