203220412 has 6 divisors (see below), whose sum is σ = 355635728. Its totient is φ = 101610204.

The previous prime is 203220401. The next prime is 203220419. The reversal of 203220412 is 214022302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203220419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25402548 + ... + 25402555.

Almost surely, 2^203220412 is an apocalyptic number.

It is an amenable number.

203220412 is a deficient number, since it is larger than the sum of its proper divisors (152415316).

203220412 is a wasteful number, since it uses less digits than its factorization.

203220412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50805107 (or 50805105 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 203220412 is about 14255.5396951501. The cubic root of 203220412 is about 587.9256967211.

Adding to 203220412 its reverse (214022302), we get a palindrome (417242714).

The spelling of 203220412 in words is "two hundred three million, two hundred twenty thousand, four hundred twelve".