203110112220 has 96 divisors (see below), whose sum is σ = 602248421376. Its totient is φ = 50969318400.

The previous prime is 203110112201. The next prime is 203110112267. The reversal of 203110112220 is 22211011302.

203110112220 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 self number, because there is not a number n which added to its sum of digits gives 203110112220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12059205 + ... + 12076035.

It is an arithmetic number, because the mean of its divisors is an integer number (6273421056).

Almost surely, 2^203110112220 is an apocalyptic number.

203110112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203110112220 is an abundant number, since it is smaller than the sum of its proper divisors (399138309156).

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

203110112220 is a wasteful number, since it uses less digits than its factorization.

203110112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28691 (or 28689 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 203110112220 its reverse (22211011302), we get a palindrome (225321123522).

The spelling of 203110112220 in words is "two hundred three billion, one hundred ten million, one hundred twelve thousand, two hundred twenty".