202140232255 has 16 divisors (see below), whose sum is σ = 264374701920. Its totient is φ = 147474315648.

The previous prime is 202140232253. The next prime is 202140232289. The reversal of 202140232255 is 552232041202.

It is a cyclic number.

It is not a de Polignac number, because 202140232255 - 2¹ = 202140232253 is a prime.

It is a super-2 number, since 2×202140232255² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202140232253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18728640 + ... + 18739429.

It is an arithmetic number, because the mean of its divisors is an integer number (16523418870).

Almost surely, 2^202140232255 is an apocalyptic number.

202140232255 is a deficient number, since it is larger than the sum of its proper divisors (62234469665).

202140232255 is a wasteful number, since it uses less digits than its factorization.

202140232255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37468170.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 202140232255 its reverse (552232041202), we get a palindrome (754372273457).

The spelling of 202140232255 in words is "two hundred two billion, one hundred forty million, two hundred thirty-two thousand, two hundred fifty-five".