203402104004 has 18 divisors (see below), whose sum is σ = 391254874542. Its totient is φ = 92455501600.

The previous prime is 203402103973. The next prime is 203402104013. The reversal of 203402104004 is 400401204302.

It can be written as a sum of positive squares in only one way, i.e., 196339382404 + 7062721600 = 443102^2 + 84040^2 .

It is a super-3 number, since 3×203402104004³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210125657 + ... + 210126624.

It is an arithmetic number, because the mean of its divisors is an integer number (21736381919).

Almost surely, 2^203402104004 is an apocalyptic number.

It is an amenable number.

203402104004 is a deficient number, since it is larger than the sum of its proper divisors (187852770538).

203402104004 is a wasteful number, since it uses less digits than its factorization.

203402104004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420252307 (or 420252294 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 203402104004 its reverse (400401204302), we get a palindrome (603803308306).

The spelling of 203402104004 in words is "two hundred three billion, four hundred two million, one hundred four thousand, four".