102103310020 has 48 divisors (see below), whose sum is σ = 227092018608. Its totient is φ = 38428344320.

The previous prime is 102103310009. The next prime is 102103310039. The reversal of 102103310020 is 20013301201.

It can be written as a sum of positive squares in 8 ways, for example, as 8276268676 + 93827041344 = 90974^2 + 306312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259844 + ... + 1338436.

It is an arithmetic number, because the mean of its divisors is an integer number (4731083721).

Almost surely, 2^102103310020 is an apocalyptic number.

102103310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102103310020 is an abundant number, since it is smaller than the sum of its proper divisors (124988708588).

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

102103310020 is a wasteful number, since it uses less digits than its factorization.

102103310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82440 (or 82438 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 102103310020 its reverse (20013301201), we get a palindrome (122116611221).

The spelling of 102103310020 in words is "one hundred two billion, one hundred three million, three hundred ten thousand, twenty".