203212002320 has 120 divisors (see below), whose sum is σ = 480949717248. Its totient is φ = 79850707200.

The previous prime is 203212002293. The next prime is 203212002347. The reversal of 203212002320 is 23200212302.

It is an interprime number because it is at equal distance from previous prime (203212002293) and next prime (203212002347).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205057025 + ... + 205058015.

Almost surely, 2^203212002320 is an apocalyptic number.

203212002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203212002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240474858624).

203212002320 is an abundant number, since it is smaller than the sum of its proper divisors (277737714928).

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

203212002320 is an equidigital number, since it uses as much as digits as its factorization.

203212002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203212002320 its reverse (23200212302), we get a palindrome (226412214622).

The spelling of 203212002320 in words is "two hundred three billion, two hundred twelve million, two thousand, three hundred twenty".