320220215402133 has 96 divisors (see below), whose sum is σ = 471937729536000. Its totient is φ = 192862487494656.

The previous prime is 320220215402107. The next prime is 320220215402137. The reversal of 320220215402133 is 331204512022023.

It is not a de Polignac number, because 320220215402133 - 2⁹ = 320220215401621 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320220215402133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320220215402137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2957089516 + ... + 2957197802.

It is an arithmetic number, because the mean of its divisors is an integer number (4916018016000).

Almost surely, 2^{320220215402133} is an apocalyptic number.

It is an amenable number.

320220215402133 is a deficient number, since it is larger than the sum of its proper divisors (151717514133867).

320220215402133 is a wasteful number, since it uses less digits than its factorization.

320220215402133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109039 (or 109022 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 320220215402133 its reverse (331204512022023), we get a palindrome (651424727424156).

The spelling of 320220215402133 in words is "three hundred twenty trillion, two hundred twenty billion, two hundred fifteen million, four hundred two thousand, one hundred thirty-three".