202991230 has 32 divisors (see below), whose sum is σ = 395121888. Its totient is φ = 74640000.

The previous prime is 202991209. The next prime is 202991233. The reversal of 202991230 is 32199202.

202991230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202991233) 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, 29520 + ... + 35740.

It is an arithmetic number, because the mean of its divisors is an integer number (12347559).

Almost surely, 2^202991230 is an apocalyptic number.

202991230 is a deficient number, since it is larger than the sum of its proper divisors (192130658).

202991230 is a wasteful number, since it uses less digits than its factorization.

202991230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 202991230 is about 14247.4990787857. The cubic root of 202991230 is about 587.7046023450.

The spelling of 202991230 in words is "two hundred two million, nine hundred ninety-one thousand, two hundred thirty".