103203221220 has 72 divisors (see below), whose sum is σ = 341508847680. Its totient is φ = 25018962240.

The previous prime is 103203221183. The next prime is 103203221227. The reversal of 103203221220 is 22122302301.

103203221220 is a `hidden beast` number, since 1 + 0 + 320 + 322 + 1 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103203221193 and 103203221202.

It is not an unprimeable number, because it can be changed into a prime (103203221227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26059440 + ... + 26063399.

It is an arithmetic number, because the mean of its divisors is an integer number (4743178440).

Almost surely, 2^103203221220 is an apocalyptic number.

103203221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103203221220 is an abundant number, since it is smaller than the sum of its proper divisors (238305626460).

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

103203221220 is a wasteful number, since it uses less digits than its factorization.

103203221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52122865 (or 52122860 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 103203221220 its reverse (22122302301), we get a palindrome (125325523521).

It can be divided in two parts, 103203 and 221220, that added together give a palindrome (324423).

The spelling of 103203221220 in words is "one hundred three billion, two hundred three million, two hundred twenty-one thousand, two hundred twenty".