201220313311302 has 48 divisors (see below), whose sum is σ = 425010713756400. Its totient is φ = 63502233660864.

The previous prime is 201220313311271. The next prime is 201220313311309. The reversal of 201220313311302 is 203113313022102.

It is a super-2 number, since 2×201220313311302² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220313311309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26631793 + ... + 33342060.

It is an arithmetic number, because the mean of its divisors is an integer number (8854389869925).

Almost surely, 2^{201220313311302} is an apocalyptic number.

201220313311302 is an abundant number, since it is smaller than the sum of its proper divisors (223790400445098).

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

201220313311302 is a wasteful number, since it uses less digits than its factorization.

201220313311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59975445 (or 59975426 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 201220313311302 its reverse (203113313022102), we get a palindrome (404333626333404).

The spelling of 201220313311302 in words is "two hundred one trillion, two hundred twenty billion, three hundred thirteen million, three hundred eleven thousand, three hundred two".