20303030004 has 12 divisors (see below), whose sum is σ = 47373736704. Its totient is φ = 6767676664.

The previous prime is 20303030003. The next prime is 20303030009. The reversal of 20303030004 is 40003030302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303030003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845959572 + ... + 845959595.

It is an arithmetic number, because the mean of its divisors is an integer number (3947811392).

Almost surely, 2^20303030004 is an apocalyptic number.

It is an amenable number.

20303030004 is an abundant number, since it is smaller than the sum of its proper divisors (27070706700).

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

20303030004 is a wasteful number, since it uses less digits than its factorization.

20303030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691919174 (or 1691919172 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20303030004 its reverse (40003030302), we get a palindrome (60306060306).

The spelling of 20303030004 in words is "twenty billion, three hundred three million, thirty thousand, four".