20020200122 has 16 divisors (see below), whose sum is σ = 32870495112. Its totient is φ = 9088614720.

The previous prime is 20020200121. The next prime is 20020200133. The reversal of 20020200122 is 22100202002.

It can be written as a sum of positive squares in 4 ways, for example, as 1897386481 + 18122813641 = 43559^2 + 134621^2 .

It is not an unprimeable number, because it can be changed into a prime (20020200121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6309953 + ... + 6313124.

Almost surely, 2^20020200122 is an apocalyptic number.

20020200122 is a deficient number, since it is larger than the sum of its proper divisors (12850294990).

20020200122 is a wasteful number, since it uses less digits than its factorization.

20020200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12623153.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020200122 its reverse (22100202002), we get a palindrome (42120402124).

The spelling of 20020200122 in words is "twenty billion, twenty million, two hundred thousand, one hundred twenty-two".