20002220022204 has 72 divisors (see below), whose sum is σ = 57784616023680. Its totient is φ = 5714877988512.

The previous prime is 20002220022163. The next prime is 20002220022229. The reversal of 20002220022204 is 40222002220002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54208567 + ... + 54576305.

It is an arithmetic number, because the mean of its divisors is an integer number (802564111440).

Almost surely, 2^{20002220022204} is an apocalyptic number.

It is an amenable number.

20002220022204 is an abundant number, since it is smaller than the sum of its proper divisors (37782396001476).

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

20002220022204 is a wasteful number, since it uses less digits than its factorization.

20002220022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583599 (or 583594 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20002220022204 its reverse (40222002220002), we get a palindrome (60224222242206).

The spelling of 20002220022204 in words is "twenty trillion, two billion, two hundred twenty million, twenty-two thousand, two hundred four".