202001220010120 has 16 divisors (see below), whose sum is σ = 454502745022860. Its totient is φ = 80800488004032.

The previous prime is 202001220010111. The next prime is 202001220010127. The reversal of 202001220010120 is 21010022100202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 200451399183396 + 1549820826724 = 14158086^2 + 1244918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202001220010120.

It is not an unprimeable number, because it can be changed into a prime (202001220010127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525015250087 + ... + 2525015250166.

Almost surely, 2^{202001220010120} is an apocalyptic number.

202001220010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001220010120 is an abundant number, since it is smaller than the sum of its proper divisors (252501525012740).

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

202001220010120 is a wasteful number, since it uses less digits than its factorization.

202001220010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050030500264 (or 5050030500260 counting only the distinct ones).

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

Adding to 202001220010120 its reverse (21010022100202), we get a palindrome (223011242110322).

The spelling of 202001220010120 in words is "two hundred two trillion, one billion, two hundred twenty million, ten thousand, one hundred twenty".