203151872 has 80 divisors (see below), whose sum is σ = 506164032. Its totient is φ = 79134720.

The previous prime is 203151863. The next prime is 203151889. The reversal of 203151872 is 278151302.

It is a zygodrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36848 + ... + 42000.

Almost surely, 2^203151872 is an apocalyptic number.

203151872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203151872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253082016).

203151872 is an abundant number, since it is smaller than the sum of its proper divisors (303012160).

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

203151872 is an equidigital number, since it uses as much as digits as its factorization.

203151872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 203151872 is about 14253.1355146859. The cubic root of 203151872 is about 587.8595928654.

The spelling of 203151872 in words is "two hundred three million, one hundred fifty-one thousand, eight hundred seventy-two".