18903030332 has 24 divisors (see below), whose sum is σ = 35632084992. Its totient is φ = 8748946800.

The previous prime is 18903030331. The next prime is 18903030347. The reversal of 18903030332 is 23303030981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18903030331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3311144 + ... + 3316847.

It is an arithmetic number, because the mean of its divisors is an integer number (1484670208).

Almost surely, 2^18903030332 is an apocalyptic number.

It is an amenable number.

18903030332 is a deficient number, since it is larger than the sum of its proper divisors (16729054660).

18903030332 is a wasteful number, since it uses less digits than its factorization.

18903030332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628049 (or 6628047 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 18903030332 in words is "eighteen billion, nine hundred three million, thirty thousand, three hundred thirty-two".