220120201120 has 24 divisors (see below), whose sum is σ = 520033975524. Its totient is φ = 88048080384.

The previous prime is 220120201099. The next prime is 220120201123. The reversal of 220120201120 is 21102021022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201733925904 + 18386275216 = 449148^2 + 135596^2 .

It is a super-2 number, since 2×220120201120² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220120201120.

It is not an unprimeable number, because it can be changed into a prime (220120201123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687875469 + ... + 687875788.

Almost surely, 2^220120201120 is an apocalyptic number.

220120201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220120201120 is an abundant number, since it is smaller than the sum of its proper divisors (299913774404).

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

220120201120 is a wasteful number, since it uses less digits than its factorization.

220120201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375751272 (or 1375751264 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220120201120 its reverse (21102021022), we get a palindrome (241222222142).

The spelling of 220120201120 in words is "two hundred twenty billion, one hundred twenty million, two hundred one thousand, one hundred twenty".