203320980 has 36 divisors (see below), whose sum is σ = 616740852. Its totient is φ = 54218880.

The previous prime is 203320973. The next prime is 203320981. The reversal of 203320980 is 89023302.

203320980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124679556 + 78641424 = 11166^2 + 8868^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203320981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564601 + ... + 564960.

Almost surely, 2^203320980 is an apocalyptic number.

203320980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203320980 is an abundant number, since it is smaller than the sum of its proper divisors (413419872).

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

203320980 is a wasteful number, since it uses less digits than its factorization.

203320980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129576 (or 1129571 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 203320980 is about 14259.0665893669. The cubic root of 203320980 is about 588.0226632942.

The spelling of 203320980 in words is "two hundred three million, three hundred twenty thousand, nine hundred eighty".