20302131021322 has 16 divisors (see below), whose sum is σ = 31027996017792. Its totient is φ = 9959468285520.

The previous prime is 20302131021287. The next prime is 20302131021329. The reversal of 20302131021322 is 22312013120302.

It is a junction number, because it is equal to n+sod(n) for n = 20302131021293 and 20302131021302.

It is not an unprimeable number, because it can be changed into a prime (20302131021329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17359483 + ... + 18492049.

It is an arithmetic number, because the mean of its divisors is an integer number (1939249751112).

Almost surely, 2^{20302131021322} is an apocalyptic number.

20302131021322 is a deficient number, since it is larger than the sum of its proper divisors (10725864996470).

20302131021322 is a wasteful number, since it uses less digits than its factorization.

20302131021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301733.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20302131021322 its reverse (22312013120302), we get a palindrome (42614144141624).

The spelling of 20302131021322 in words is "twenty trillion, three hundred two billion, one hundred thirty-one million, twenty-one thousand, three hundred twenty-two".