20344232 has 32 divisors (see below), whose sum is σ = 39640320. Its totient is φ = 9781440.

The previous prime is 20344211. The next prime is 20344249. The reversal of 20344232 is 23244302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22493 + ... + 23379.

It is an arithmetic number, because the mean of its divisors is an integer number (1238760).

Almost surely, 2^20344232 is an apocalyptic number.

It is an amenable number.

20344232 is a deficient number, since it is larger than the sum of its proper divisors (19296088).

20344232 is a wasteful number, since it uses less digits than its factorization.

20344232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 20344232 is about 4510.4580698639. The cubic root of 20344232 is about 272.9902271679.

Adding to 20344232 its reverse (23244302), we get a palindrome (43588534).

The spelling of 20344232 in words is "twenty million, three hundred forty-four thousand, two hundred thirty-two".