20210021322 has 16 divisors (see below), whose sum is σ = 40425890400. Its totient is φ = 6735699152.

The previous prime is 20210021257. The next prime is 20210021329. The reversal of 20210021322 is 22312001202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20210021329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198072 + ... + 282227.

It is an arithmetic number, because the mean of its divisors is an integer number (2526618150).

Almost surely, 2^20210021322 is an apocalyptic number.

20210021322 is an abundant number, since it is smaller than the sum of its proper divisors (20215869078).

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

20210021322 is a wasteful number, since it uses less digits than its factorization.

20210021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487317.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20210021322 its reverse (22312001202), we get a palindrome (42522022524).

The spelling of 20210021322 in words is "twenty billion, two hundred ten million, twenty-one thousand, three hundred twenty-two".