30402003204 has 72 divisors (see below), whose sum is σ = 79103152128. Its totient is φ = 9840216960.

The previous prime is 30402003167. The next prime is 30402003209. The reversal of 30402003204 is 40230020403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30402003209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144144 + ... + 285624.

Almost surely, 2^30402003204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30402003204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39551576064).

30402003204 is an abundant number, since it is smaller than the sum of its proper divisors (48701148924).

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

30402003204 is a wasteful number, since it uses less digits than its factorization.

30402003204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141665 (or 141660 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30402003204 its reverse (40230020403), we get a palindrome (70632023607).

The spelling of 30402003204 in words is "thirty billion, four hundred two million, three thousand, two hundred four".