2203203000 has 64 divisors (see below), whose sum is σ = 6874002720. Its totient is φ = 587520000.

The previous prime is 2203202983. The next prime is 2203203011. The reversal of 2203203000 is 3023022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 364201 + ... + 370200.

Almost surely, 2^2203203000 is an apocalyptic number.

2203203000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203203000 is an abundant number, since it is smaller than the sum of its proper divisors (4670799720).

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

2203203000 is a wasteful number, since it uses less digits than its factorization.

2203203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734425 (or 734411 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 2203203000 is about 46938.2892743227. The cubic root of 2203203000 is about 1301.2223217552. Note that the first 3 decimals are identical.

Adding to 2203203000 its reverse (3023022), we get a palindrome (2206226022).

The spelling of 2203203000 in words is "two billion, two hundred three million, two hundred three thousand".