203996020 has 12 divisors (see below), whose sum is σ = 428391684. Its totient is φ = 81598400.

The previous prime is 203996003. The next prime is 203996029. The reversal of 203996020 is 20699302.

203996020 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 79495056 + 124500964 = 8916^2 + 11158^2 .

It is a super-2 number, since 2×203996020² = 83228752351680800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203996029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5099881 + ... + 5099920.

It is an arithmetic number, because the mean of its divisors is an integer number (35699307).

Almost surely, 2^203996020 is an apocalyptic number.

203996020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203996020 is an abundant number, since it is smaller than the sum of its proper divisors (224395664).

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

203996020 is a wasteful number, since it uses less digits than its factorization.

203996020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199810 (or 10199808 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 203996020 is about 14282.7175285378. The cubic root of 203996020 is about 588.6727033422.

The spelling of 203996020 in words is "two hundred three million, nine hundred ninety-six thousand, twenty".