20303311321022 has 32 divisors (see below), whose sum is σ = 31074378681024. Its totient is φ = 9947050444800.

The previous prime is 20303311321009. The next prime is 20303311321031. The reversal of 20303311321022 is 22012311330302.

It is a super-2 number, since 2×20303311321022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27618728 + ... + 28344324.

It is an arithmetic number, because the mean of its divisors is an integer number (971074333782).

Almost surely, 2^{20303311321022} is an apocalyptic number.

20303311321022 is a deficient number, since it is larger than the sum of its proper divisors (10771067360002).

20303311321022 is a wasteful number, since it uses less digits than its factorization.

20303311321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726884.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20303311321022 its reverse (22012311330302), we get a palindrome (42315622651324).

The spelling of 20303311321022 in words is "twenty trillion, three hundred three billion, three hundred eleven million, three hundred twenty-one thousand, twenty-two".