20344996 has 18 divisors (see below), whose sum is σ = 41416998. Its totient is φ = 8719200.

The previous prime is 20344993. The next prime is 20344997. The reversal of 20344996 is 69944302.

It can be written as a sum of positive squares in only one way, i.e., 17522596 + 2822400 = 4186^2 + 1680^2 .

It is not an unprimeable number, because it can be changed into a prime (20344993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51705 + ... + 52096.

Almost surely, 2^20344996 is an apocalyptic number.

It is an amenable number.

20344996 is an abundant number, since it is smaller than the sum of its proper divisors (21072002).

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

20344996 is a wasteful number, since it uses less digits than its factorization.

20344996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103819 (or 103810 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 20344996 is about 4510.5427611320. The cubic root of 20344996 is about 272.9936443841.

The spelling of 20344996 in words is "twenty million, three hundred forty-four thousand, nine hundred ninety-six".