20002201220022 has 64 divisors (see below), whose sum is σ = 49589388463104. Its totient is φ = 5247554319360.

The previous prime is 20002201219919. The next prime is 20002201220077. The reversal of 20002201220022 is 22002210220002.

It is a junction number, because it is equal to n+sod(n) for n = 20002201219983 and 20002201220010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341608378 + ... + 341666925.

It is an arithmetic number, because the mean of its divisors is an integer number (774834194736).

Almost surely, 2^{20002201220022} is an apocalyptic number.

20002201220022 is an abundant number, since it is smaller than the sum of its proper divisors (29587187243082).

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

20002201220022 is a wasteful number, since it uses less digits than its factorization.

20002201220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683275373.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20002201220022 its reverse (22002210220002), we get a palindrome (42004411440024).

The spelling of 20002201220022 in words is "twenty trillion, two billion, two hundred one million, two hundred twenty thousand, twenty-two".