203274103981872 has 80 divisors (see below), whose sum is σ = 654701010239232. Its totient is φ = 52798468565760.

The previous prime is 203274103981867. The next prime is 203274103981909. The reversal of 203274103981872 is 278189301472302.

It is a super-2 number, since 2×203274103981872² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27499198683 + ... + 27499206074.

Almost surely, 2^{203274103981872} is an apocalyptic number.

203274103981872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203274103981872 is an abundant number, since it is smaller than the sum of its proper divisors (451426906257360).

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

203274103981872 is a wasteful number, since it uses less digits than its factorization.

203274103981872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54998404786 (or 54998404780 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 203274103981872 in words is "two hundred three trillion, two hundred seventy-four billion, one hundred three million, nine hundred eighty-one thousand, eight hundred seventy-two".