202811840130 has 32 divisors (see below), whose sum is σ = 494013322944. Its totient is φ = 53275945536.

The previous prime is 202811840057. The next prime is 202811840149. The reversal of 202811840130 is 31048118202.

It is a super-2 number, since 2×202811840130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 50448697 + ... + 50452716.

It is an arithmetic number, because the mean of its divisors is an integer number (15437916342).

Almost surely, 2^202811840130 is an apocalyptic number.

202811840130 is an abundant number, since it is smaller than the sum of its proper divisors (291201482814).

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

202811840130 is a wasteful number, since it uses less digits than its factorization.

202811840130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100901490.

The product of its (nonzero) digits is 3072, while the sum is 30.

Adding to 202811840130 its reverse (31048118202), we get a palindrome (233859958332).

The spelling of 202811840130 in words is "two hundred two billion, eight hundred eleven million, eight hundred forty thousand, one hundred thirty".