202120021322 has 16 divisors (see below), whose sum is σ = 316511788032. Its totient is φ = 96620259120.

The previous prime is 202120021319. The next prime is 202120021387. The reversal of 202120021322 is 223120021202.

202120021322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202120021322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943613 + ... + 1137824.

It is an arithmetic number, because the mean of its divisors is an integer number (19781986752).

Almost surely, 2^202120021322 is an apocalyptic number.

202120021322 is a deficient number, since it is larger than the sum of its proper divisors (114391766710).

202120021322 is a wasteful number, since it uses less digits than its factorization.

202120021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083573.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202120021322 its reverse (223120021202), we get a palindrome (425240042524).

The spelling of 202120021322 in words is "two hundred two billion, one hundred twenty million, twenty-one thousand, three hundred twenty-two".