220022201220 has 48 divisors (see below), whose sum is σ = 616088437440. Its totient is φ = 58670084736.

The previous prime is 220022201213. The next prime is 220022201303. The reversal of 220022201220 is 22102220022.

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 220022201220.

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, 1659546 + ... + 1787214.

It is an arithmetic number, because the mean of its divisors is an integer number (12835175780).

Almost surely, 2^220022201220 is an apocalyptic number.

220022201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220022201220 is an abundant number, since it is smaller than the sum of its proper divisors (396066236220).

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

220022201220 is a wasteful number, since it uses less digits than its factorization.

220022201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156404 (or 156402 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220022201220 its reverse (22102220022), we get a palindrome (242124421242).

It can be divided in two parts, 22002 and 2201220, that added together give a palindrome (2223222).

The spelling of 220022201220 in words is "two hundred twenty billion, twenty-two million, two hundred one thousand, two hundred twenty".