102013023020 has 48 divisors (see below), whose sum is σ = 226963749600. Its totient is φ = 38382081024.

The previous prime is 102013022981. The next prime is 102013023023. The reversal of 102013023020 is 20320310201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102013022986 and 102013023004.

It is not an unprimeable number, because it can be changed into a prime (102013023023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489362 + ... + 665958.

It is an arithmetic number, because the mean of its divisors is an integer number (4728411450).

Almost surely, 2^102013023020 is an apocalyptic number.

102013023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102013023020 is an abundant number, since it is smaller than the sum of its proper divisors (124950726580).

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

102013023020 is a wasteful number, since it uses less digits than its factorization.

102013023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178322 (or 178320 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102013023020 its reverse (20320310201), we get a palindrome (122333333221).

The spelling of 102013023020 in words is "one hundred two billion, thirteen million, twenty-three thousand, twenty".