20710944 has 48 divisors (see below), whose sum is σ = 60409440. Its totient is φ = 6903360.

The previous prime is 20710927. The next prime is 20710957. The reversal of 20710944 is 44901702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20710944² = 857886402742272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 11122 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (1258530).

Almost surely, 2^20710944 is an apocalyptic number.

20710944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20710944 is an abundant number, since it is smaller than the sum of its proper divisors (39698496).

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

20710944 is a wasteful number, since it uses less digits than its factorization.

20710944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23990 (or 23976 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 20710944 is about 4550.9278174895. The cubic root of 20710944 is about 274.6207179031.

The spelling of 20710944 in words is "twenty million, seven hundred ten thousand, nine hundred forty-four".