21333030004 has 96 divisors (see below), whose sum is σ = 44482435200. Its totient is φ = 8824757760.

The previous prime is 21333029987. The next prime is 21333030049. The reversal of 21333030004 is 40003033312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12481902 + ... + 12483610.

It is an arithmetic number, because the mean of its divisors is an integer number (463358700).

Almost surely, 2^21333030004 is an apocalyptic number.

It is an amenable number.

21333030004 is an abundant number, since it is smaller than the sum of its proper divisors (23149405196).

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

21333030004 is a wasteful number, since it uses less digits than its factorization.

21333030004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 21333030004 its reverse (40003033312), we get a palindrome (61336063316).

The spelling of 21333030004 in words is "twenty-one billion, three hundred thirty-three million, thirty thousand, four".