203213120 has 56 divisors (see below), whose sum is σ = 527901408. Its totient is φ = 73894400.

The previous prime is 203213083. The next prime is 203213137. The reversal of 203213120 is 21312302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203213095 and 203213104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25346 + ... + 32385.

Almost surely, 2^203213120 is an apocalyptic number.

203213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203213120 is an abundant number, since it is smaller than the sum of its proper divisors (324688288).

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

203213120 is a wasteful number, since it uses less digits than its factorization.

203213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57759 (or 57749 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 203213120 is about 14255.2839326335. The cubic root of 203213120 is about 587.9186646101.

Adding to 203213120 its reverse (21312302), we get a palindrome (224525422).

The spelling of 203213120 in words is "two hundred three million, two hundred thirteen thousand, one hundred twenty".