320311102200220 has 24 divisors (see below), whose sum is σ = 673470633384864. Its totient is φ = 127968761115456.

The previous prime is 320311102200157. The next prime is 320311102200239. The reversal of 320311102200220 is 22002201113023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9729968419 + ... + 9730001338.

It is an arithmetic number, because the mean of its divisors is an integer number (28061276391036).

Almost surely, 2^{320311102200220} is an apocalyptic number.

It is an amenable number.

320311102200220 is an abundant number, since it is smaller than the sum of its proper divisors (353159531184644).

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

320311102200220 is a wasteful number, since it uses less digits than its factorization.

320311102200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19459970589 (or 19459970587 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320311102200220 its reverse (22002201113023), we get a palindrome (342313303313243).

The spelling of 320311102200220 in words is "three hundred twenty trillion, three hundred eleven billion, one hundred two million, two hundred thousand, two hundred twenty".