220202121122010 has 80 divisors (see below), whose sum is σ = 597961403717832. Its totient is φ = 58139173872000.

The previous prime is 220202121121993. The next prime is 220202121122051. The reversal of 220202121122010 is 10221121202022.

It is a happy number.

220202121122010 is a `hidden beast` number, since 2 + 20 + 202 + 1 + 211 + 220 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 212843385257409 + 7358735864601 = 14589153^2 + 2712699^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1345732401 + ... + 1345896020.

Almost surely, 2^{220202121122010} is an apocalyptic number.

220202121122010 is an abundant number, since it is smaller than the sum of its proper divisors (377759282595822).

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

220202121122010 is a wasteful number, since it uses less digits than its factorization.

220202121122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691628541 (or 2691628532 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220202121122010 its reverse (10221121202022), we get a palindrome (230423242324032).

The spelling of 220202121122010 in words is "two hundred twenty trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, ten".