20263944 has 32 divisors (see below), whose sum is σ = 51037920. Its totient is φ = 6704256.

The previous prime is 20263939. The next prime is 20263961. The reversal of 20263944 is 44936202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (1594935).

Almost surely, 2^20263944 is an apocalyptic number.

20263944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20263944 is an abundant number, since it is smaller than the sum of its proper divisors (30773976).

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

20263944 is a wasteful number, since it uses less digits than its factorization.

20263944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20263944 is about 4501.5490667103. The cubic root of 20263944 is about 272.6306373592.

It can be divided in two parts, 202 and 63944, that added together give a palindrome (64146).

The spelling of 20263944 in words is "twenty million, two hundred sixty-three thousand, nine hundred forty-four".