203402104024 has 128 divisors (see below), whose sum is σ = 476331840000. Its totient is φ = 79449431040.

The previous prime is 203402104021. The next prime is 203402104063. The reversal of 203402104024 is 420401204302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203402103986 and 203402104004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203402104021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8658807 + ... + 8682265.

It is an arithmetic number, because the mean of its divisors is an integer number (3721342500).

Almost surely, 2^203402104024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203402104024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238165920000).

203402104024 is an abundant number, since it is smaller than the sum of its proper divisors (272929735976).

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

203402104024 is a wasteful number, since it uses less digits than its factorization.

203402104024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23801 (or 23797 counting only the distinct ones).

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

Adding to 203402104024 its reverse (420401204302), we get a palindrome (623803308326).

The spelling of 203402104024 in words is "two hundred three billion, four hundred two million, one hundred four thousand, twenty-four".