203831980620 has 48 divisors (see below), whose sum is σ = 600767946240. Its totient is φ = 51494394816.

The previous prime is 203831980607. The next prime is 203831980633. The reversal of 203831980620 is 26089138302.

It is an interprime number because it is at equal distance from previous prime (203831980607) and next prime (203831980633).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89398852 + ... + 89401131.

It is an arithmetic number, because the mean of its divisors is an integer number (12515998880).

Almost surely, 2^203831980620 is an apocalyptic number.

203831980620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203831980620 is an abundant number, since it is smaller than the sum of its proper divisors (396935965620).

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

203831980620 is a wasteful number, since it uses less digits than its factorization.

203831980620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178800014 (or 178800012 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 203831980620 in words is "two hundred three billion, eight hundred thirty-one million, nine hundred eighty thousand, six hundred twenty".