103321201020 has 48 divisors (see below), whose sum is σ = 289690961280. Its totient is φ = 27515025216.

The previous prime is 103321200991. The next prime is 103321201021. The reversal of 103321201020 is 20102123301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103321201021) 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, 1120762 + ... + 1209441.

It is an arithmetic number, because the mean of its divisors is an integer number (6035228360).

Almost surely, 2^103321201020 is an apocalyptic number.

103321201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103321201020 is an abundant number, since it is smaller than the sum of its proper divisors (186369760260).

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

103321201020 is a wasteful number, since it uses less digits than its factorization.

103321201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330954 (or 2330952 counting only the distinct ones).

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

Adding to 103321201020 its reverse (20102123301), we get a palindrome (123423324321).

The spelling of 103321201020 in words is "one hundred three billion, three hundred twenty-one million, two hundred one thousand, twenty".