20310002321322 has 32 divisors (see below), whose sum is σ = 46572132132864. Its totient is φ = 5784199095600.

The previous prime is 20310002321311. The next prime is 20310002321359. The reversal of 20310002321322 is 22312320001302.

It is a happy number.

It is a super-3 number, since 3×20310002321322³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777433054 + ... + 777459177.

It is an arithmetic number, because the mean of its divisors is an integer number (1455379129152).

Almost surely, 2^{20310002321322} is an apocalyptic number.

20310002321322 is an abundant number, since it is smaller than the sum of its proper divisors (26262129811542).

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

20310002321322 is a wasteful number, since it uses less digits than its factorization.

20310002321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554892554.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20310002321322 its reverse (22312320001302), we get a palindrome (42622322322624).

The spelling of 20310002321322 in words is "twenty trillion, three hundred ten billion, two million, three hundred twenty-one thousand, three hundred twenty-two".