20000022020022 has 64 divisors (see below), whose sum is σ = 44160605706240. Its totient is φ = 6038081925920.

The previous prime is 20000022020003. The next prime is 20000022020029. The reversal of 20000022020022 is 22002022000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000022020029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2506758 + ... + 6803225.

It is an arithmetic number, because the mean of its divisors is an integer number (690009464160).

Almost surely, 2^{20000022020022} is an apocalyptic number.

20000022020022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20000022020022 is an abundant number, since it is smaller than the sum of its proper divisors (24160583686218).

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

20000022020022 is a wasteful number, since it uses less digits than its factorization.

20000022020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310290 (or 9310268 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20000022020022 its reverse (22002022000002), we get a palindrome (42002044020024).

The spelling of 20000022020022 in words is "twenty trillion, twenty-two million, twenty thousand, twenty-two".