20004331344 has 40 divisors (see below), whose sum is σ = 52879672032. Its totient is φ = 6513037440.

The previous prime is 20004331261. The next prime is 20004331363. The reversal of 20004331344 is 44313340002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4843947 + ... + 4848074.

Almost surely, 2^20004331344 is an apocalyptic number.

20004331344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20004331344 is an abundant number, since it is smaller than the sum of its proper divisors (32875340688).

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

20004331344 is a wasteful number, since it uses less digits than its factorization.

20004331344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9692075 (or 9692069 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20004331344 its reverse (44313340002), we get a palindrome (64317671346).

The spelling of 20004331344 in words is "twenty billion, four million, three hundred thirty-one thousand, three hundred forty-four".