203210221230 has 64 divisors (see below), whose sum is σ = 565454545920. Its totient is φ = 51833330208.

The previous prime is 203210221229. The next prime is 203210221243. The reversal of 203210221230 is 32122012302.

203210221230 is a `hidden beast` number, since 2 + 0 + 3 + 210 + 221 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16355322 + ... + 16367741.

It is an arithmetic number, because the mean of its divisors is an integer number (8835227280).

Almost surely, 2^203210221230 is an apocalyptic number.

203210221230 is an abundant number, since it is smaller than the sum of its proper divisors (362244324690).

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

203210221230 is a wasteful number, since it uses less digits than its factorization.

203210221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32723102 (or 32723096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 203210221230 its reverse (32122012302), we get a palindrome (235332233532).

The spelling of 203210221230 in words is "two hundred three billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirty".