3320203121663 has 4 divisors (see below), whose sum is σ = 3401183685648. Its totient is φ = 3239222557680.

The previous prime is 3320203121629. The next prime is 3320203121687. The reversal of 3320203121663 is 3661213020233.

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

It is a cyclic number.

It is not a de Polignac number, because 3320203121663 - 2¹⁰ = 3320203120639 is a prime.

It is a super-2 number, since 2×3320203121663² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320203121363) 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, 40490281931 + ... + 40490282012.

It is an arithmetic number, because the mean of its divisors is an integer number (850295921412).

Almost surely, 2^{3320203121663} is an apocalyptic number.

3320203121663 is a deficient number, since it is larger than the sum of its proper divisors (80980563985).

3320203121663 is an equidigital number, since it uses as much as digits as its factorization.

3320203121663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980563984.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 3320203121663 its reverse (3661213020233), we get a palindrome (6981416141896).

The spelling of 3320203121663 in words is "three trillion, three hundred twenty billion, two hundred three million, one hundred twenty-one thousand, six hundred sixty-three".