203002002 has 72 divisors (see below), whose sum is σ = 533946816. Its totient is φ = 55473264.

The previous prime is 203001983. The next prime is 203002039. The reversal of 203002002 is 200200302.

203002002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15283 + ... + 25289.

It is an arithmetic number, because the mean of its divisors is an integer number (7415928).

Almost surely, 2^203002002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203002002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266973408).

203002002 is an abundant number, since it is smaller than the sum of its proper divisors (330944814).

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

203002002 is a wasteful number, since it uses less digits than its factorization.

203002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052 (or 10042 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 203002002 is about 14247.8771050287. The cubic root of 203002002 is about 587.7149979370.

Adding to 203002002 its reverse (200200302), we get a palindrome (403202304).

The spelling of 203002002 in words is "two hundred three million, two thousand, two".