20331220111322 has 16 divisors (see below), whose sum is σ = 30719899178280. Its totient is φ = 10091255962368.

The previous prime is 20331220111297. The next prime is 20331220111399. The reversal of 20331220111322 is 22311102213302.

It can be written as a sum of positive squares in 4 ways, for example, as 19949702647081 + 381517464241 = 4466509^2 + 617671^2 .

It is a super-2 number, since 2×20331220111322² (a number of 27 digits) contains 22 as substring.

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, 18815798 + ... + 19866974.

Almost surely, 2^{20331220111322} is an apocalyptic number.

20331220111322 is a deficient number, since it is larger than the sum of its proper divisors (10388679066958).

20331220111322 is a wasteful number, since it uses less digits than its factorization.

20331220111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121905.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20331220111322 its reverse (22311102213302), we get a palindrome (42642322324624).

The spelling of 20331220111322 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty million, one hundred eleven thousand, three hundred twenty-two".