20204031344 has 160 divisors (see below), whose sum is σ = 49239705600. Its totient is φ = 7830466560.

The previous prime is 20204031343. The next prime is 20204031383. The reversal of 20204031344 is 44313040202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204031343) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13195859 + ... + 13197389.

It is an arithmetic number, because the mean of its divisors is an integer number (307748160).

Almost surely, 2^20204031344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20204031344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24619852800).

20204031344 is an abundant number, since it is smaller than the sum of its proper divisors (29035674256).

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

20204031344 is a wasteful number, since it uses less digits than its factorization.

20204031344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20204031344 its reverse (44313040202), we get a palindrome (64517071546).

The spelling of 20204031344 in words is "twenty billion, two hundred four million, thirty-one thousand, three hundred forty-four".