3330320030021 has 4 divisors (see below), whose sum is σ = 3347575574412. Its totient is φ = 3313064485632.

The previous prime is 3330320030003. The next prime is 3330320030047. The reversal of 3330320030021 is 1200300230333.

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 525314745796 + 2805005284225 = 724786^2 + 1674815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3330320030021 is a prime.

It is a super-2 number, since 2×3330320030021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3330320029975 and 3330320030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330320030321) 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, 8627771906 + ... + 8627772291.

It is an arithmetic number, because the mean of its divisors is an integer number (836893893603).

Almost surely, 2^{3330320030021} is an apocalyptic number.

It is an amenable number.

3330320030021 is a deficient number, since it is larger than the sum of its proper divisors (17255544391).

3330320030021 is a wasteful number, since it uses less digits than its factorization.

3330320030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17255544390.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 3330320030021 its reverse (1200300230333), we get a palindrome (4530620260354).

The spelling of 3330320030021 in words is "three trillion, three hundred thirty billion, three hundred twenty million, thirty thousand, twenty-one".