203404000032 has 72 divisors (see below), whose sum is σ = 579053524140. Its totient is φ = 67728261120.

The previous prime is 203404000027. The next prime is 203404000039. The reversal of 203404000032 is 230000404302.

It can be written as a sum of positive squares in 2 ways, for example, as 203289167376 + 114832656 = 450876^2 + 10716^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 203403999969 and 203404000014.

It is not an unprimeable number, because it can be changed into a prime (203404000039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112569 + ... + 647672.

Almost surely, 2^203404000032 is an apocalyptic number.

It is an amenable number.

203404000032 is an abundant number, since it is smaller than the sum of its proper divisors (375649524108).

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

203404000032 is a wasteful number, since it uses less digits than its factorization.

203404000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761186 (or 761175 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 203404000032 its reverse (230000404302), we get a palindrome (433404404334).

The spelling of 203404000032 in words is "two hundred three billion, four hundred four million, thirty-two", and thus it is an aban number.