203300002120 has 64 divisors (see below), whose sum is σ = 474816038400. Its totient is φ = 78284993280.

The previous prime is 203300002097. The next prime is 203300002123. The reversal of 203300002120 is 21200003302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203300002120.

It is not an unprimeable number, because it can be changed into a prime (203300002123) 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, 771700 + ... + 1001059.

It is an arithmetic number, because the mean of its divisors is an integer number (7419000600).

Almost surely, 2^203300002120 is an apocalyptic number.

203300002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203300002120 is an abundant number, since it is smaller than the sum of its proper divisors (271516036280).

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

203300002120 is a wasteful number, since it uses less digits than its factorization.

203300002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772878 (or 1772874 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 203300002120 its reverse (21200003302), we get a palindrome (224500005422).

The spelling of 203300002120 in words is "two hundred three billion, three hundred million, two thousand, one hundred twenty".