30020002013321 has 4 divisors (see below), whose sum is σ = 30020027032644. Its totient is φ = 30019976994000.

The previous prime is 30020002013249. The next prime is 30020002013329. The reversal of 30020002013321 is 12331020002003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13360633248400 + 16659368764921 = 3655220^2 + 4081589^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020002013321 - 2²⁶ = 30019934904457 is a prime.

It is a super-2 number, since 2×30020002013321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30020002013321.

It is not an unprimeable number, because it can be changed into a prime (30020002013329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10614110 + ... + 13141511.

It is an arithmetic number, because the mean of its divisors is an integer number (7505006758161).

Almost surely, 2^{30020002013321} is an apocalyptic number.

It is an amenable number.

30020002013321 is a deficient number, since it is larger than the sum of its proper divisors (25019323).

30020002013321 is a wasteful number, since it uses less digits than its factorization.

30020002013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25019322.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30020002013321 its reverse (12331020002003), we get a palindrome (42351022015324).

The spelling of 30020002013321 in words is "thirty trillion, twenty billion, two million, thirteen thousand, three hundred twenty-one".