102202002220 has 24 divisors (see below), whose sum is σ = 217647083808. Its totient is φ = 40305014400.

The previous prime is 102202002191. The next prime is 102202002239. The reversal of 102202002220 is 22200202201.

It is a self number, because there is not a number n which added to its sum of digits gives 102202002220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35985201 + ... + 35988040.

It is an arithmetic number, because the mean of its divisors is an integer number (9068628492).

Almost surely, 2^102202002220 is an apocalyptic number.

102202002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202002220 is an abundant number, since it is smaller than the sum of its proper divisors (115445081588).

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

102202002220 is a wasteful number, since it uses less digits than its factorization.

102202002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71973321 (or 71973319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 102202002220 its reverse (22200202201), we get a palindrome (124402204421).

The spelling of 102202002220 in words is "one hundred two billion, two hundred two million, two thousand, two hundred twenty".