203391809932 has 12 divisors (see below), whose sum is σ = 364617025416. Its totient is φ = 99215516960.

The previous prime is 203391809927. The next prime is 203391809941. The reversal of 203391809932 is 239908193302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620096818 + ... + 620097145.

It is an arithmetic number, because the mean of its divisors is an integer number (30384752118).

Almost surely, 2^203391809932 is an apocalyptic number.

It is an amenable number.

203391809932 is a deficient number, since it is larger than the sum of its proper divisors (161225215484).

203391809932 is a wasteful number, since it uses less digits than its factorization.

203391809932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240194008 (or 1240194006 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 203391809932 in words is "two hundred three billion, three hundred ninety-one million, eight hundred nine thousand, nine hundred thirty-two".