20022200122 has 16 divisors (see below), whose sum is σ = 30548687400. Its totient is φ = 9840241152.

The previous prime is 20022200119. The next prime is 20022200137. The reversal of 20022200122 is 22100222002.

It can be written as a sum of positive squares in 4 ways, for example, as 18246336241 + 1775863881 = 135079^2 + 42141^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 191247 + ... + 276802.

Almost surely, 2^20022200122 is an apocalyptic number.

20022200122 is a deficient number, since it is larger than the sum of its proper divisors (10526487278).

20022200122 is a wasteful number, since it uses less digits than its factorization.

20022200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468417.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022200122 its reverse (22100222002), we get a palindrome (42122422124).

The spelling of 20022200122 in words is "twenty billion, twenty-two million, two hundred thousand, one hundred twenty-two".