30220013220 has 48 divisors (see below), whose sum is σ = 85282326528. Its totient is φ = 7995214080.

The previous prime is 30220013203. The next prime is 30220013249. The reversal of 30220013220 is 2231002203.

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 30220013220.

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, 1975321 + ... + 1990560.

It is an arithmetic number, because the mean of its divisors is an integer number (1776715136).

Almost surely, 2^30220013220 is an apocalyptic number.

30220013220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30220013220 is an abundant number, since it is smaller than the sum of its proper divisors (55062313308).

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

30220013220 is a wasteful number, since it uses less digits than its factorization.

30220013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966020 (or 3966018 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30220013220 its reverse (2231002203), we get a palindrome (32451015423).

The spelling of 30220013220 in words is "thirty billion, two hundred twenty million, thirteen thousand, two hundred twenty".