20941944 has 32 divisors (see below), whose sum is σ = 54162000. Its totient is φ = 6739712.

The previous prime is 20941927. The next prime is 20941981. The reversal of 20941944 is 44914902.

It is a congruent number.

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, 14349 + ... + 15740.

Almost surely, 2^20941944 is an apocalyptic number.

20941944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20941944 is an abundant number, since it is smaller than the sum of its proper divisors (33220056).

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

20941944 is a wasteful number, since it uses less digits than its factorization.

20941944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30127 (or 30123 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 20941944 is about 4576.2368819807. The cubic root of 20941944 is about 275.6379415564.

The spelling of 20941944 in words is "twenty million, nine hundred forty-one thousand, nine hundred forty-four".