20220020122 has 4 divisors (see below), whose sum is σ = 30330030186. Its totient is φ = 10110010060.

The previous prime is 20220020113. The next prime is 20220020129. The reversal of 20220020122 is 22102002202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20036119401 + 183900721 = 141549^2 + 13561^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20220020129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055005029 + ... + 5055005032.

Almost surely, 2^20220020122 is an apocalyptic number.

20220020122 is a deficient number, since it is larger than the sum of its proper divisors (10110010064).

20220020122 is a wasteful number, since it uses less digits than its factorization.

20220020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110010063.

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

Adding to 20220020122 its reverse (22102002202), we get a palindrome (42322022324).

The spelling of 20220020122 in words is "twenty billion, two hundred twenty million, twenty thousand, one hundred twenty-two".