20021022202022 has 16 divisors (see below), whose sum is σ = 30091971604032. Its totient is φ = 9990380811840.

The previous prime is 20021022202021. The next prime is 20021022202033. The reversal of 20021022202022 is 22020222012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021022202021) 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, 1418183 + ... + 6484850.

It is an arithmetic number, because the mean of its divisors is an integer number (1880748225252).

Almost surely, 2^{20021022202022} is an apocalyptic number.

20021022202022 is a deficient number, since it is larger than the sum of its proper divisors (10070949402010).

20021022202022 is a wasteful number, since it uses less digits than its factorization.

20021022202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905583.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20021022202022 its reverse (22020222012002), we get a palindrome (42041244214024).

The spelling of 20021022202022 in words is "twenty trillion, twenty-one billion, twenty-two million, two hundred two thousand, twenty-two".