3020020021021 has 8 divisors (see below), whose sum is σ = 3178994424320. Its totient is φ = 2861048215872.

The previous prime is 3020020021013. The next prime is 3020020021079. The reversal of 3020020021021 is 1201200200203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3020020021021 - 2³ = 3020020021013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020020020992 and 3020020021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020020021321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017156 + ... + 3179458.

It is an arithmetic number, because the mean of its divisors is an integer number (397374303040).

Almost surely, 2^{3020020021021} is an apocalyptic number.

It is an amenable number.

3020020021021 is a deficient number, since it is larger than the sum of its proper divisors (158974403299).

3020020021021 is a wasteful number, since it uses less digits than its factorization.

3020020021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299075.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 3020020021021 its reverse (1201200200203), we get a palindrome (4221220221224).

The spelling of 3020020021021 in words is "three trillion, twenty billion, twenty million, twenty-one thousand, twenty-one".