20200944 has 20 divisors (see below), whose sum is σ = 52185896. Its totient is φ = 6733632.

The previous prime is 20200937. The next prime is 20200963. The reversal of 20200944 is 44900202.

It is a super-2 number, since 2×20200944² = 816156276982272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20200944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210379 + ... + 210474.

Almost surely, 2^20200944 is an apocalyptic number.

20200944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20200944 is an abundant number, since it is smaller than the sum of its proper divisors (31984952).

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

20200944 is a wasteful number, since it uses less digits than its factorization.

20200944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420864 (or 420858 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20200944 is about 4494.5460282436. The cubic root of 20200944 is about 272.3478105385.

The spelling of 20200944 in words is "twenty million, two hundred thousand, nine hundred forty-four".