20072222022 has 16 divisors (see below), whose sum is σ = 42257309760. Its totient is φ = 6338596392.

The previous prime is 20072222021. The next prime is 20072222087. The reversal of 20072222022 is 22022227002.

It is a self number, because there is not a number n which added to its sum of digits gives 20072222022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20072222021) 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 7 ways as a sum of consecutive naturals, for example, 88035948 + ... + 88036175.

It is an arithmetic number, because the mean of its divisors is an integer number (2641081860).

Almost surely, 2^20072222022 is an apocalyptic number.

20072222022 is an abundant number, since it is smaller than the sum of its proper divisors (22185087738).

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

20072222022 is a wasteful number, since it uses less digits than its factorization.

20072222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176072147.

The product of its (nonzero) digits is 896, while the sum is 21.

Adding to 20072222022 its reverse (22022227002), we get a palindrome (42094449024).

The spelling of 20072222022 in words is "twenty billion, seventy-two million, two hundred twenty-two thousand, twenty-two".