20021113322 has 32 divisors (see below), whose sum is σ = 35819712000. Its totient is φ = 8211264768.

The previous prime is 20021113309. The next prime is 20021113369. The reversal of 20021113322 is 22331112002.

It is a self number, because there is not a number n which added to its sum of digits gives 20021113322.

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 15 ways as a sum of consecutive naturals, for example, 172322 + ... + 264077.

It is an arithmetic number, because the mean of its divisors is an integer number (1119366000).

Almost surely, 2^20021113322 is an apocalyptic number.

20021113322 is a deficient number, since it is larger than the sum of its proper divisors (15798598678).

20021113322 is a wasteful number, since it uses less digits than its factorization.

20021113322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436550.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20021113322 its reverse (22331112002), we get a palindrome (42352225324).

The spelling of 20021113322 in words is "twenty billion, twenty-one million, one hundred thirteen thousand, three hundred twenty-two".