203130220232 has 8 divisors (see below), whose sum is σ = 380869162950. Its totient is φ = 101565110112.

The previous prime is 203130220229. The next prime is 203130220259. The reversal of 203130220232 is 232022031302.

It can be written as a sum of positive squares in only one way, i.e., 144000516676 + 59129703556 = 379474^2 + 243166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12695638757 + ... + 12695638772.

Almost surely, 2^203130220232 is an apocalyptic number.

It is an amenable number.

203130220232 is a deficient number, since it is larger than the sum of its proper divisors (177738942718).

203130220232 is a wasteful number, since it uses less digits than its factorization.

203130220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25391277535 (or 25391277531 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203130220232 its reverse (232022031302), we get a palindrome (435152251534).

The spelling of 203130220232 in words is "two hundred three billion, one hundred thirty million, two hundred twenty thousand, two hundred thirty-two".