202255102434540 has 24 divisors (see below), whose sum is σ = 566314286816880. Its totient is φ = 53934693982528.

The previous prime is 202255102434521. The next prime is 202255102434551. The reversal of 202255102434540 is 45434201552202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685459186895 + ... + 1685459187014.

It is an arithmetic number, because the mean of its divisors is an integer number (23596428617370).

Almost surely, 2^{202255102434540} is an apocalyptic number.

202255102434540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202255102434540 is an abundant number, since it is smaller than the sum of its proper divisors (364059184382340).

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

202255102434540 is a wasteful number, since it uses less digits than its factorization.

202255102434540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370918373921 (or 3370918373919 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 202255102434540 its reverse (45434201552202), we get a palindrome (247689303986742).

The spelling of 202255102434540 in words is "two hundred two trillion, two hundred fifty-five billion, one hundred two million, four hundred thirty-four thousand, five hundred forty".