203223211320 has 64 divisors (see below), whose sum is σ = 609991028640. Its totient is φ = 54164288000.

The previous prime is 203223211309. The next prime is 203223211357. The reversal of 203223211320 is 23112322302.

It is a happy number.

It is a super-2 number, since 2×203223211320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217311 + ... + 673550.

Almost surely, 2^203223211320 is an apocalyptic number.

203223211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203223211320 is an abundant number, since it is smaller than the sum of its proper divisors (406767817320).

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

203223211320 is a wasteful number, since it uses less digits than its factorization.

203223211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892776 (or 892772 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203223211320 its reverse (23112322302), we get a palindrome (226335533622).

The spelling of 203223211320 in words is "two hundred three billion, two hundred twenty-three million, two hundred eleven thousand, three hundred twenty".