102202112202020 has 48 divisors (see below), whose sum is σ = 237129811244928. Its totient is φ = 36803215848960.

The previous prime is 102202112202013. The next prime is 102202112202077. The reversal of 102202112202020 is 20202211202201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102202112202020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6534654086 + ... + 6534669725.

It is an arithmetic number, because the mean of its divisors is an integer number (4940204400936).

Almost surely, 2^{102202112202020} is an apocalyptic number.

102202112202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202112202020 is an abundant number, since it is smaller than the sum of its proper divisors (134927699042908).

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

102202112202020 is a wasteful number, since it uses less digits than its factorization.

102202112202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13069323860 (or 13069323858 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102202112202020 its reverse (20202211202201), we get a palindrome (122404323404221).

The spelling of 102202112202020 in words is "one hundred two trillion, two hundred two billion, one hundred twelve million, two hundred two thousand, twenty".