220122311202 has 24 divisors (see below), whose sum is σ = 478465228800. Its totient is φ = 73138172280.

The previous prime is 220122311191. The next prime is 220122311209. The reversal of 220122311202 is 202113221022.

220122311202 is a `hidden beast` number, since 220 + 12 + 231 + 1 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220122311209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19655202 + ... + 19666397.

It is an arithmetic number, because the mean of its divisors is an integer number (19936051200).

Almost surely, 2^220122311202 is an apocalyptic number.

220122311202 is an abundant number, since it is smaller than the sum of its proper divisors (258342917598).

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

220122311202 is a wasteful number, since it uses less digits than its factorization.

220122311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39321918 (or 39321915 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 220122311202 its reverse (202113221022), we get a palindrome (422235532224).

The spelling of 220122311202 in words is "two hundred twenty billion, one hundred twenty-two million, three hundred eleven thousand, two hundred two".