203203034020 has 48 divisors (see below), whose sum is σ = 487730775168. Its totient is φ = 69663398400.

The previous prime is 203203033963. The next prime is 203203034053. The reversal of 203203034020 is 20430302302.

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, 1677619 + ... + 1794661.

It is an arithmetic number, because the mean of its divisors is an integer number (10161057816).

Almost surely, 2^203203034020 is an apocalyptic number.

203203034020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203203034020 is an abundant number, since it is smaller than the sum of its proper divisors (284527741148).

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

203203034020 is a wasteful number, since it uses less digits than its factorization.

203203034020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129460 (or 129458 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 203203034020 its reverse (20430302302), we get a palindrome (223633336322).

The spelling of 203203034020 in words is "two hundred three billion, two hundred three million, thirty-four thousand, twenty".