102200031220020 has 96 divisors (see below), whose sum is σ = 301416367687680. Its totient is φ = 25802221852800.

The previous prime is 102200031219959. The next prime is 102200031220037. The reversal of 102200031220020 is 20022130002201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27291256 + ... + 30809295.

It is an arithmetic number, because the mean of its divisors is an integer number (3139753830080).

Almost surely, 2^{102200031220020} is an apocalyptic number.

102200031220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200031220020 is an abundant number, since it is smaller than the sum of its proper divisors (199216336467660).

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

102200031220020 is a wasteful number, since it uses less digits than its factorization.

102200031220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58102125 (or 58102123 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 102200031220020 its reverse (20022130002201), we get a palindrome (122222161222221).

The spelling of 102200031220020 in words is "one hundred two trillion, two hundred billion, thirty-one million, two hundred twenty thousand, twenty".