103201321020 has 48 divisors (see below), whose sum is σ = 330244228608. Its totient is φ = 23588873280.

The previous prime is 103201320983. The next prime is 103201321073. The reversal of 103201321020 is 20123102301.

103201321020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 122858296 + ... + 122859135.

It is an arithmetic number, because the mean of its divisors is an integer number (6880088096).

Almost surely, 2^103201321020 is an apocalyptic number.

103201321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103201321020 is an abundant number, since it is smaller than the sum of its proper divisors (227042907588).

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

103201321020 is a wasteful number, since it uses less digits than its factorization.

103201321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245717450 (or 245717448 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103201321020 its reverse (20123102301), we get a palindrome (123324423321).

The spelling of 103201321020 in words is "one hundred three billion, two hundred one million, three hundred twenty-one thousand, twenty".