102424020320 has 24 divisors (see below), whose sum is σ = 241976748384. Its totient is φ = 40969608064.

The previous prime is 102424020289. The next prime is 102424020337. The reversal of 102424020320 is 23020424201.

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 = 102424020292 and 102424020301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320074904 + ... + 320075223.

It is an arithmetic number, because the mean of its divisors is an integer number (10082364516).

Almost surely, 2^102424020320 is an apocalyptic number.

102424020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102424020320 is an abundant number, since it is smaller than the sum of its proper divisors (139552728064).

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

102424020320 is an equidigital number, since it uses as much as digits as its factorization.

102424020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640150142 (or 640150134 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 102424020320 its reverse (23020424201), we get a palindrome (125444444521).

The spelling of 102424020320 in words is "one hundred two billion, four hundred twenty-four million, twenty thousand, three hundred twenty".