20001312332322 has 64 divisors (see below), whose sum is σ = 40561123921920. Its totient is φ = 6574768994304.

The previous prime is 20001312332179. The next prime is 20001312332327. The reversal of 20001312332322 is 22323321310002.

It is a super-2 number, since 2×20001312332322² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001312332292 and 20001312332301.

It is not an unprimeable number, because it can be changed into a prime (20001312332327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88642798 + ... + 88868150.

It is an arithmetic number, because the mean of its divisors is an integer number (633767561280).

Almost surely, 2^{20001312332322} is an apocalyptic number.

20001312332322 is an abundant number, since it is smaller than the sum of its proper divisors (20559811589598).

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

20001312332322 is a wasteful number, since it uses less digits than its factorization.

20001312332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226187.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20001312332322 its reverse (22323321310002), we get a palindrome (42324633642324).

The spelling of 20001312332322 in words is "twenty trillion, one billion, three hundred twelve million, three hundred thirty-two thousand, three hundred twenty-two".