203025630 has 32 divisors (see below), whose sum is σ = 489300768. Its totient is φ = 53913600.

The previous prime is 203025521. The next prime is 203025637. The reversal of 203025630 is 36520302.

It is a junction number, because it is equal to n+sod(n) for n = 203025597 and 203025606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203025637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6811 + ... + 21270.

It is an arithmetic number, because the mean of its divisors is an integer number (15290649).

Almost surely, 2^203025630 is an apocalyptic number.

203025630 is an abundant number, since it is smaller than the sum of its proper divisors (286275138).

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

203025630 is a wasteful number, since it uses less digits than its factorization.

203025630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 203025630 is about 14248.7062570607. The cubic root of 203025630 is about 587.7377990114.

Adding to 203025630 its reverse (36520302), we get a palindrome (239545932).

The spelling of 203025630 in words is "two hundred three million, twenty-five thousand, six hundred thirty".