120211202220 has 144 divisors (see below), whose sum is σ = 355634592768. Its totient is φ = 30335345280.

The previous prime is 120211202219. The next prime is 120211202269. The reversal of 120211202220 is 22202112021.

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 120211202220.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23628517 + ... + 23633603.

It is an arithmetic number, because the mean of its divisors is an integer number (2469684672).

Almost surely, 2^120211202220 is an apocalyptic number.

120211202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120211202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177817296384).

120211202220 is an abundant number, since it is smaller than the sum of its proper divisors (235423390548).

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

120211202220 is a wasteful number, since it uses less digits than its factorization.

120211202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228 (or 6207 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120211202220 its reverse (22202112021), we get a palindrome (142413314241).

The spelling of 120211202220 in words is "one hundred twenty billion, two hundred eleven million, two hundred two thousand, two hundred twenty".