3020220320021 has 4 divisors (see below), whose sum is σ = 3077205609132. Its totient is φ = 2963235030912.

The previous prime is 3020220319997. The next prime is 3020220320063. The reversal of 3020220320021 is 1200230220203.

3020220320021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 1430628895921 + 1589591424100 = 1196089^2 + 1260790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3020220320021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020220020021) 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, 28492644476 + ... + 28492644581.

It is an arithmetic number, because the mean of its divisors is an integer number (769301402283).

Almost surely, 2^{3020220320021} is an apocalyptic number.

It is an amenable number.

3020220320021 is a deficient number, since it is larger than the sum of its proper divisors (56985289111).

3020220320021 is an equidigital number, since it uses as much as digits as its factorization.

3020220320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56985289110.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 3020220320021 its reverse (1200230220203), we get a palindrome (4220450540224).

The spelling of 3020220320021 in words is "three trillion, twenty billion, two hundred twenty million, three hundred twenty thousand, twenty-one".