202674140420 has 24 divisors (see below), whose sum is σ = 450651912984. Its totient is φ = 76300852736.

The previous prime is 202674140419. The next prime is 202674140441. The reversal of 202674140420 is 24041476202.

It can be written as a sum of positive squares in 4 ways, for example, as 61791022084 + 140883118336 = 248578^2 + 375344^2 .

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, 298049867 + ... + 298050546.

It is an arithmetic number, because the mean of its divisors is an integer number (18777163041).

Almost surely, 2^202674140420 is an apocalyptic number.

202674140420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202674140420 is an abundant number, since it is smaller than the sum of its proper divisors (247977772564).

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

202674140420 is a wasteful number, since it uses less digits than its factorization.

202674140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596100439 (or 596100437 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 202674140420 in words is "two hundred two billion, six hundred seventy-four million, one hundred forty thousand, four hundred twenty".