202022121201220 has 12 divisors (see below), whose sum is σ = 424246454522604. Its totient is φ = 80808848480480.

The previous prime is 202022121201193. The next prime is 202022121201227. The reversal of 202022121201220 is 22102121220202.

It can be written as a sum of positive squares in 2 ways, for example, as 48557149143616 + 153464972057604 = 6968296^2 + 12388098^2 .

It is not an unprimeable number, because it can be changed into a prime (202022121201227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050553030011 + ... + 5050553030050.

It is an arithmetic number, because the mean of its divisors is an integer number (35353871210217).

Almost surely, 2^{202022121201220} is an apocalyptic number.

202022121201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202022121201220 is an abundant number, since it is smaller than the sum of its proper divisors (222224333321384).

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

202022121201220 is a wasteful number, since it uses less digits than its factorization.

202022121201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101106060070 (or 10101106060068 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202022121201220 its reverse (22102121220202), we get a palindrome (224124242421422).

The spelling of 202022121201220 in words is "two hundred two trillion, twenty-two billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty".