320220633365133 has 16 divisors (see below), whose sum is σ = 431120597281920. Its totient is φ = 211400685287424.

The previous prime is 320220633365081. The next prime is 320220633365207. The reversal of 320220633365133 is 331563336022023.

It is not a de Polignac number, because 320220633365133 - 2²⁴ = 320220616587917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320220633365033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8221588 + ... + 26608941.

It is an arithmetic number, because the mean of its divisors is an integer number (26945037330120).

Almost surely, 2^{320220633365133} is an apocalyptic number.

It is an amenable number.

320220633365133 is a deficient number, since it is larger than the sum of its proper divisors (110899963916787).

320220633365133 is a wasteful number, since it uses less digits than its factorization.

320220633365133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34860388.

The product of its (nonzero) digits is 1049760, while the sum is 42.

Adding to 320220633365133 its reverse (331563336022023), we get a palindrome (651783969387156).

The spelling of 320220633365133 in words is "three hundred twenty trillion, two hundred twenty billion, six hundred thirty-three million, three hundred sixty-five thousand, one hundred thirty-three".