202144131240 has 64 divisors (see below), whose sum is σ = 614973720960. Its totient is φ = 53145872640.

The previous prime is 202144131229. The next prime is 202144131251. The reversal of 202144131240 is 42131441202.

It is an interprime number because it is at equal distance from previous prime (202144131229) and next prime (202144131251).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 202144131240.

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, 11854399 + ... + 11871438.

It is an arithmetic number, because the mean of its divisors is an integer number (9608964390).

Almost surely, 2^202144131240 is an apocalyptic number.

202144131240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202144131240 is an abundant number, since it is smaller than the sum of its proper divisors (412829589720).

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

202144131240 is a wasteful number, since it uses less digits than its factorization.

202144131240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23725922 (or 23725918 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 202144131240 its reverse (42131441202), we get a palindrome (244275572442).

The spelling of 202144131240 in words is "two hundred two billion, one hundred forty-four million, one hundred thirty-one thousand, two hundred forty".