202040202122 has 16 divisors (see below), whose sum is σ = 344985642432. Its totient is φ = 87843565920.

The previous prime is 202040202101. The next prime is 202040202181. The reversal of 202040202122 is 221202040202.

It is a super-2 number, since 2×202040202122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202040202122.

It is an unprimeable number.

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, 199643963 + ... + 199644974.

It is an arithmetic number, because the mean of its divisors is an integer number (21561602652).

Almost surely, 2^202040202122 is an apocalyptic number.

202040202122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202040202122 is a deficient number, since it is larger than the sum of its proper divisors (142945440310).

202040202122 is a wasteful number, since it uses less digits than its factorization.

202040202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399288973.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 202040202122 its reverse (221202040202), we get a palindrome (423242242324).

The spelling of 202040202122 in words is "two hundred two billion, forty million, two hundred two thousand, one hundred twenty-two".