20022431003204 has 24 divisors (see below), whose sum is σ = 42400442125440. Its totient is φ = 8076274690176.

The previous prime is 20022431003171. The next prime is 20022431003209. The reversal of 20022431003204 is 40230013422002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022431003204.

It is not an unprimeable number, because it can be changed into a prime (20022431003209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21031964864 + ... + 21031965815.

It is an arithmetic number, because the mean of its divisors is an integer number (1766685088560).

Almost surely, 2^{20022431003204} is an apocalyptic number.

It is an amenable number.

20022431003204 is an abundant number, since it is smaller than the sum of its proper divisors (22378011122236).

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

20022431003204 is a wasteful number, since it uses less digits than its factorization.

20022431003204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42063930707 (or 42063930705 counting only the distinct ones).

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

Adding to 20022431003204 its reverse (40230013422002), we get a palindrome (60252444425206).

The spelling of 20022431003204 in words is "twenty trillion, twenty-two billion, four hundred thirty-one million, three thousand, two hundred four".