20444996 has 48 divisors (see below), whose sum is σ = 43427328. Its totient is φ = 8294400.

The previous prime is 20444989. The next prime is 20445001. The reversal of 20444996 is 69944402.

It is a super-2 number, since 2×20444996² = 835995722880032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17156 + ... + 18308.

It is an arithmetic number, because the mean of its divisors is an integer number (904736).

Almost surely, 2^20444996 is an apocalyptic number.

20444996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20444996 is an abundant number, since it is smaller than the sum of its proper divisors (22982332).

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

20444996 is a wasteful number, since it uses less digits than its factorization.

20444996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 20444996 is about 4521.6143134947. The cubic root of 20444996 is about 273.4401875828.

The spelling of 20444996 in words is "twenty million, four hundred forty-four thousand, nine hundred ninety-six".