102202312320020 has 24 divisors (see below), whose sum is σ = 234136206406368. Its totient is φ = 37164477207200.

The previous prime is 102202312320001. The next prime is 102202312320037. The reversal of 102202312320020 is 20023213202201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102202312319974 and 102202312320001.

It is a congruent number.

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, 232277982326 + ... + 232277982765.

It is an arithmetic number, because the mean of its divisors is an integer number (9755675266932).

Almost surely, 2^{102202312320020} is an apocalyptic number.

102202312320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202312320020 is an abundant number, since it is smaller than the sum of its proper divisors (131933894086348).

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

102202312320020 is a wasteful number, since it uses less digits than its factorization.

102202312320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464555965111 (or 464555965109 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102202312320020 its reverse (20023213202201), we get a palindrome (122225525522221).

The spelling of 102202312320020 in words is "one hundred two trillion, two hundred two billion, three hundred twelve million, three hundred twenty thousand, twenty".