203240212210 has 64 divisors (see below), whose sum is σ = 423129484800. Its totient is φ = 68844390912.

The previous prime is 203240212207. The next prime is 203240212213. The reversal of 203240212210 is 12212042302.

It is an interprime number because it is at equal distance from previous prime (203240212207) and next prime (203240212213).

It is not an unprimeable number, because it can be changed into a prime (203240212213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8205004 + ... + 8229736.

It is an arithmetic number, because the mean of its divisors is an integer number (6611398200).

Almost surely, 2^203240212210 is an apocalyptic number.

203240212210 is an abundant number, since it is smaller than the sum of its proper divisors (219889272590).

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

203240212210 is a wasteful number, since it uses less digits than its factorization.

203240212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26155.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 203240212210 its reverse (12212042302), we get a palindrome (215452254512).

The spelling of 203240212210 in words is "two hundred three billion, two hundred forty million, two hundred twelve thousand, two hundred ten".