103220313320 has 16 divisors (see below), whose sum is σ = 232245705060. Its totient is φ = 41288125312.

The previous prime is 103220313283. The next prime is 103220313323. The reversal of 103220313320 is 23313022301.

It can be written as a sum of positive squares in 2 ways, for example, as 101604112516 + 1616200804 = 318754^2 + 40202^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103220313292 and 103220313301.

It is not an unprimeable number, because it can be changed into a prime (103220313323) 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, 1290253877 + ... + 1290253956.

Almost surely, 2^103220313320 is an apocalyptic number.

103220313320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103220313320 is an abundant number, since it is smaller than the sum of its proper divisors (129025391740).

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

103220313320 is a wasteful number, since it uses less digits than its factorization.

103220313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580507844 (or 2580507840 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 103220313320 its reverse (23313022301), we get a palindrome (126533335621).

The spelling of 103220313320 in words is "one hundred three billion, two hundred twenty million, three hundred thirteen thousand, three hundred twenty".