203320212232120 has 64 divisors (see below), whose sum is σ = 457952588406720. Its totient is φ = 81242389822464.

The previous prime is 203320212232087. The next prime is 203320212232133. The reversal of 203320212232120 is 21232212023302.

It is a super-2 number, since 2×203320212232120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495924334 + ... + 496334146.

It is an arithmetic number, because the mean of its divisors is an integer number (7155509193855).

Almost surely, 2^{203320212232120} is an apocalyptic number.

203320212232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203320212232120 is an abundant number, since it is smaller than the sum of its proper divisors (254632376174600).

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

203320212232120 is a wasteful number, since it uses less digits than its factorization.

203320212232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422864 (or 422860 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203320212232120 its reverse (21232212023302), we get a palindrome (224552424255422).

The spelling of 203320212232120 in words is "two hundred three trillion, three hundred twenty billion, two hundred twelve million, two hundred thirty-two thousand, one hundred twenty".