20221313122 has 16 divisors (see below), whose sum is σ = 32104800000. Its totient is φ = 9525593520.

The previous prime is 20221313107. The next prime is 20221313129. The reversal of 20221313122 is 22131312202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20221313122.

It is not an unprimeable number, because it can be changed into a prime (20221313129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463122 + ... + 1476877.

It is an arithmetic number, because the mean of its divisors is an integer number (2006550000).

Almost surely, 2^20221313122 is an apocalyptic number.

20221313122 is a deficient number, since it is larger than the sum of its proper divisors (11883486878).

20221313122 is a wasteful number, since it uses less digits than its factorization.

20221313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940201.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20221313122 its reverse (22131312202), we get a palindrome (42352625324).

The spelling of 20221313122 in words is "twenty billion, two hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-two".