320132021633 has 2 divisors, whose sum is σ = 320132021634. Its totient is φ = 320132021632.

The previous prime is 320132021603. The next prime is 320132021639. The reversal of 320132021633 is 336120231023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285485038864 + 34646982769 = 534308^2 + 186137^2 .

It is an emirp because it is prime and its reverse (336120231023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320132021633 - 2¹² = 320132017537 is a prime.

It is a super-2 number, since 2×320132021633² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320132021639) by changing a digit.

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 as a sum of consecutive naturals, namely, 160066010816 + 160066010817.

It is an arithmetic number, because the mean of its divisors is an integer number (160066010817).

Almost surely, 2^320132021633 is an apocalyptic number.

It is an amenable number.

320132021633 is a deficient number, since it is larger than the sum of its proper divisors (1).

320132021633 is an equidigital number, since it uses as much as digits as its factorization.

320132021633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 320132021633 its reverse (336120231023), we get a palindrome (656252252656).

The spelling of 320132021633 in words is "three hundred twenty billion, one hundred thirty-two million, twenty-one thousand, six hundred thirty-three".