102203031230020 has 48 divisors (see below), whose sum is σ = 245574833591808. Its totient is φ = 34999959473280.

The previous prime is 102203031230009. The next prime is 102203031230059. The reversal of 102203031230020 is 20032130302201.

It is a self number, because there is not a number n which added to its sum of digits gives 102203031230020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427794796 + ... + 428033635.

It is an arithmetic number, because the mean of its divisors is an integer number (5116142366496).

Almost surely, 2^{102203031230020} is an apocalyptic number.

102203031230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102203031230020 is an abundant number, since it is smaller than the sum of its proper divisors (143371802361788).

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

102203031230020 is a wasteful number, since it uses less digits than its factorization.

102203031230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855829300 (or 855829298 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102203031230020 its reverse (20032130302201), we get a palindrome (122235161532221).

The spelling of 102203031230020 in words is "one hundred two trillion, two hundred three billion, thirty-one million, two hundred thirty thousand, twenty".