203400433332 has 18 divisors (see below), whose sum is σ = 514151095458. Its totient is φ = 67800144432.

The previous prime is 203400433237. The next prime is 203400433343. The reversal of 203400433332 is 233334004302.

It can be written as a sum of positive squares in only one way, i.e., 197984062116 + 5416371216 = 444954^2 + 73596^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 203400433296 and 203400433305.

It is a congruent number.

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, 2825005983 + ... + 2825006054.

Almost surely, 2^203400433332 is an apocalyptic number.

It is an amenable number.

203400433332 is an abundant number, since it is smaller than the sum of its proper divisors (310750662126).

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

203400433332 is a wasteful number, since it uses less digits than its factorization.

203400433332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650012047 (or 5650012042 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 203400433332 its reverse (233334004302), we get a palindrome (436734437634).

The spelling of 203400433332 in words is "two hundred three billion, four hundred million, four hundred thirty-three thousand, three hundred thirty-two".