203401200424 has 64 divisors (see below), whose sum is σ = 387263197440. Its totient is φ = 100143267840.

The previous prime is 203401200397. The next prime is 203401200427. The reversal of 203401200424 is 424002104302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203401200395 and 203401200404.

It is not an unprimeable number, because it can be changed into a prime (203401200427) by changing a digit.

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, 176409832 + ... + 176410984.

It is an arithmetic number, because the mean of its divisors is an integer number (6050987460).

Almost surely, 2^203401200424 is an apocalyptic number.

It is an amenable number.

203401200424 is a deficient number, since it is larger than the sum of its proper divisors (183861997016).

203401200424 is a wasteful number, since it uses less digits than its factorization.

203401200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 203401200424 its reverse (424002104302), we get a palindrome (627403304726).

The spelling of 203401200424 in words is "two hundred three billion, four hundred one million, two hundred thousand, four hundred twenty-four".