220012120220 has 24 divisors (see below), whose sum is σ = 462177114000. Its totient is φ = 87975960192.

The previous prime is 220012120219. The next prime is 220012120241. The reversal of 220012120220 is 22021210022.

It is a junction number, because it is equal to n+sod(n) for n = 220012120195 and 220012120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742990 + ... + 1864949.

It is an arithmetic number, because the mean of its divisors is an integer number (19257379750).

Almost surely, 2^220012120220 is an apocalyptic number.

220012120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012120220 is an abundant number, since it is smaller than the sum of its proper divisors (242164993780).

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

220012120220 is a wasteful number, since it uses less digits than its factorization.

220012120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610997 (or 3610995 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220012120220 its reverse (22021210022), we get a palindrome (242033330242).

The spelling of 220012120220 in words is "two hundred twenty billion, twelve million, one hundred twenty thousand, two hundred twenty".