20020112122 has 4 divisors (see below), whose sum is σ = 30030168186. Its totient is φ = 10010056060.

The previous prime is 20020112117. The next prime is 20020112141. The reversal of 20020112122 is 22121102002.

It is a happy number.

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., 10681015801 + 9339096321 = 103349^2 + 96639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005028029 + ... + 5005028032.

Almost surely, 2^20020112122 is an apocalyptic number.

20020112122 is a deficient number, since it is larger than the sum of its proper divisors (10010056064).

20020112122 is a wasteful number, since it uses less digits than its factorization.

20020112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010056063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20020112122 its reverse (22121102002), we get a palindrome (42141214124).

The spelling of 20020112122 in words is "twenty billion, twenty million, one hundred twelve thousand, one hundred twenty-two".