220302121200 has 120 divisors (see below), whose sum is σ = 806515605888. Its totient is φ = 50354768640.

The previous prime is 220302121189. The next prime is 220302121267. The reversal of 220302121200 is 2121203022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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 220302121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13104822 + ... + 13121621.

Almost surely, 2^220302121200 is an apocalyptic number.

220302121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220302121200 is an abundant number, since it is smaller than the sum of its proper divisors (586213484688).

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

220302121200 is a wasteful number, since it uses less digits than its factorization.

220302121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26226471 (or 26226460 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220302121200 its reverse (2121203022), we get a palindrome (222423324222).

The spelling of 220302121200 in words is "two hundred twenty billion, three hundred two million, one hundred twenty-one thousand, two hundred".