20312233440204 has 24 divisors (see below), whose sum is σ = 47593517690880. Its totient is φ = 6742415004304.

The previous prime is 20312233440199. The next prime is 20312233440259. The reversal of 20312233440204 is 40204433221302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3541181484 + ... + 3541187219.

It is an arithmetic number, because the mean of its divisors is an integer number (1983063237120).

Almost surely, 2^{20312233440204} is an apocalyptic number.

It is an amenable number.

20312233440204 is an abundant number, since it is smaller than the sum of its proper divisors (27281284250676).

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

20312233440204 is a wasteful number, since it uses less digits than its factorization.

20312233440204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082368949 (or 7082368947 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 20312233440204 its reverse (40204433221302), we get a palindrome (60516666661506).

The spelling of 20312233440204 in words is "twenty trillion, three hundred twelve billion, two hundred thirty-three million, four hundred forty thousand, two hundred four".