3220021146365 has 16 divisors (see below), whose sum is σ = 3879062732160. Its totient is φ = 2566007845440.

The previous prime is 3220021146343. The next prime is 3220021146443. The reversal of 3220021146365 is 5636411200223.

It is not a de Polignac number, because 3220021146365 - 2⁶ = 3220021146301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639155 + ... + 2616975.

It is an arithmetic number, because the mean of its divisors is an integer number (242441420760).

Almost surely, 2^{3220021146365} is an apocalyptic number.

It is an amenable number.

3220021146365 is a deficient number, since it is larger than the sum of its proper divisors (659041585795).

3220021146365 is a wasteful number, since it uses less digits than its factorization.

3220021146365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979092.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 3220021146365 its reverse (5636411200223), we get a palindrome (8856432346588).

The spelling of 3220021146365 in words is "three trillion, two hundred twenty billion, twenty-one million, one hundred forty-six thousand, three hundred sixty-five".