20456044 has 12 divisors (see below), whose sum is σ = 40912144. Its totient is φ = 8766864.

The previous prime is 20456041. The next prime is 20456047. The reversal of 20456044 is 44065402.

It is an interprime number because it is at equal distance from previous prime (20456041) and next prime (20456047).

20456044 is an admirable number.

It is a super-2 number, since 2×20456044² = 836899472259872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20456041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365259 + ... + 365314.

Almost surely, 2^20456044 is an apocalyptic number.

It is an amenable number.

20456044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20456044 is a wasteful number, since it uses less digits than its factorization.

20456044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730584 (or 730582 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 20456044 is about 4522.8358360657. The cubic root of 20456044 is about 273.4894322848.

The spelling of 20456044 in words is "twenty million, four hundred fifty-six thousand, forty-four".