102420013232 has 20 divisors (see below), whose sum is σ = 198747409560. Its totient is φ = 51130359168.

The previous prime is 102420013231. The next prime is 102420013261. The reversal of 102420013232 is 232310024201.

It is a super-2 number, since 2×102420013232² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102420013231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4967357 + ... + 4987932.

It is an arithmetic number, because the mean of its divisors is an integer number (9937370478).

Almost surely, 2^102420013232 is an apocalyptic number.

It is an amenable number.

102420013232 is a deficient number, since it is larger than the sum of its proper divisors (96327396328).

102420013232 is an equidigital number, since it uses as much as digits as its factorization.

102420013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955940 (or 9955934 counting only the distinct ones).

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

Adding to 102420013232 its reverse (232310024201), we get a palindrome (334730037433).

The spelling of 102420013232 in words is "one hundred two billion, four hundred twenty million, thirteen thousand, two hundred thirty-two".