201213203320 has 32 divisors (see below), whose sum is σ = 455613350400. Its totient is φ = 79972633728.

The previous prime is 201213203299. The next prime is 201213203357. The reversal of 201213203320 is 23302312102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16013880 + ... + 16026439.

It is an arithmetic number, because the mean of its divisors is an integer number (14237917200).

Almost surely, 2^201213203320 is an apocalyptic number.

201213203320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201213203320 is an abundant number, since it is smaller than the sum of its proper divisors (254400147080).

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

201213203320 is a wasteful number, since it uses less digits than its factorization.

201213203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32040487 (or 32040483 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 201213203320 its reverse (23302312102), we get a palindrome (224515515422).

The spelling of 201213203320 in words is "two hundred one billion, two hundred thirteen million, two hundred three thousand, three hundred twenty".