20201111322 has 96 divisors (see below), whose sum is σ = 49959929088. Its totient is φ = 5410750464.

The previous prime is 20201111207. The next prime is 20201111323. The reversal of 20201111322 is 22311110202.

It is not an unprimeable number, because it can be changed into a prime (20201111323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1276623 + ... + 1292349.

It is an arithmetic number, because the mean of its divisors is an integer number (520415928).

Almost surely, 2^20201111322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201111322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24979964544).

20201111322 is an abundant number, since it is smaller than the sum of its proper divisors (29758817766).

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

20201111322 is a wasteful number, since it uses less digits than its factorization.

20201111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16020 (or 16013 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20201111322 its reverse (22311110202), we get a palindrome (42512221524).

The spelling of 20201111322 in words is "twenty billion, two hundred one million, one hundred eleven thousand, three hundred twenty-two".