203120002 has 24 divisors (see below), whose sum is σ = 317667636. Its totient is φ = 97401024.

The previous prime is 203119997. The next prime is 203120011. The reversal of 203120002 is 200021302.

It can be written as a sum of positive squares in 6 ways, for example, as 97831881 + 105288121 = 9891^2 + 10261^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331048 + ... + 331660.

Almost surely, 2^203120002 is an apocalyptic number.

203120002 is a deficient number, since it is larger than the sum of its proper divisors (114547634).

203120002 is a wasteful number, since it uses less digits than its factorization.

203120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 203120002 is about 14252.0174712214. The cubic root of 203120002 is about 587.8288505693.

Adding to 203120002 its reverse (200021302), we get a palindrome (403141304).

The spelling of 203120002 in words is "two hundred three million, one hundred twenty thousand, two".