30209890203 has 12 divisors (see below), whose sum is σ = 44815873648. Its totient is φ = 19595604240.

The previous prime is 30209890147. The next prime is 30209890213.

30209890203 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 30209890203 - 2¹⁷ = 30209759131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30209890213) 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, 45359863 + ... + 45360528.

Almost surely, 2^30209890203 is an apocalyptic number.

30209890203 is a deficient number, since it is larger than the sum of its proper divisors (14605983445).

30209890203 is a wasteful number, since it uses less digits than its factorization.

30209890203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90720434 (or 90720431 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 30209890203 in words is "thirty billion, two hundred nine million, eight hundred ninety thousand, two hundred three".