203220442 has 8 divisors (see below), whose sum is σ = 307790496. Its totient is φ = 100623612.

The previous prime is 203220439. The next prime is 203220467. The reversal of 203220442 is 244022302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493048 + ... + 493459.

It is an arithmetic number, because the mean of its divisors is an integer number (38473812).

Almost surely, 2^203220442 is an apocalyptic number.

203220442 is a deficient number, since it is larger than the sum of its proper divisors (104570054).

203220442 is a wasteful number, since it uses less digits than its factorization.

203220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986612.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 203220442 is about 14255.5407473726. The cubic root of 203220442 is about 587.9257256515.

Adding to 203220442 its reverse (244022302), we get a palindrome (447242744).

The spelling of 203220442 in words is "two hundred three million, two hundred twenty thousand, four hundred forty-two".