13330030021 has 24 divisors (see below), whose sum is σ = 17911103616. Its totient is φ = 9776027520.

The previous prime is 13330029961. The next prime is 13330030027. The reversal of 13330030021 is 12003003331.

It is not a de Polignac number, because 13330030021 - 2¹⁵ = 13329997253 is a prime.

It is a super-2 number, since 2×13330030021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13330029977 and 13330030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330030027) 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, 718221 + ... + 736546.

It is an arithmetic number, because the mean of its divisors is an integer number (746295984).

Almost surely, 2^13330030021 is an apocalyptic number.

13330030021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13330030021 is a deficient number, since it is larger than the sum of its proper divisors (4581073595).

13330030021 is a wasteful number, since it uses less digits than its factorization.

13330030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454809 (or 1454802 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 13330030021 its reverse (12003003331), we get a palindrome (25333033352).

The spelling of 13330030021 in words is "thirteen billion, three hundred thirty million, thirty thousand, twenty-one".