201020021322 has 16 divisors (see below), whose sum is σ = 402095682912. Its totient is φ = 66997400400.

The previous prime is 201020021303. The next prime is 201020021369. The reversal of 201020021322 is 223120020102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271304 + ... + 2358147.

It is an arithmetic number, because the mean of its divisors is an integer number (25130980182).

Almost surely, 2^201020021322 is an apocalyptic number.

201020021322 is an abundant number, since it is smaller than the sum of its proper divisors (201075661590).

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

201020021322 is a wasteful number, since it uses less digits than its factorization.

201020021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636693.

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

Adding to 201020021322 its reverse (223120020102), we get a palindrome (424140041424).

The spelling of 201020021322 in words is "two hundred one billion, twenty million, twenty-one thousand, three hundred twenty-two".