3220303136545 has 16 divisors (see below), whose sum is σ = 4215727565568. Its totient is φ = 2342006419840.

The previous prime is 3220303136537. The next prime is 3220303136563. The reversal of 3220303136545 is 5456313030223.

It is not a de Polignac number, because 3220303136545 - 2³ = 3220303136537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4080312 + ... + 4805158.

It is an arithmetic number, because the mean of its divisors is an integer number (263482972848).

Almost surely, 2^{3220303136545} is an apocalyptic number.

It is an amenable number.

3220303136545 is a deficient number, since it is larger than the sum of its proper divisors (995424429023).

3220303136545 is a wasteful number, since it uses less digits than its factorization.

3220303136545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805640.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 3220303136545 its reverse (5456313030223), we get a palindrome (8676616166768).

The spelling of 3220303136545 in words is "three trillion, two hundred twenty billion, three hundred three million, one hundred thirty-six thousand, five hundred forty-five".