20032756711321 has 8 divisors (see below), whose sum is σ = 20120754342600. Its totient is φ = 19944763587840.

The previous prime is 20032756711291. The next prime is 20032756711337. The reversal of 20032756711321 is 12311765723002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4932841000000 + 15099915711321 = 2221000^2 + 3885861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20032756711321 - 2³⁹ = 19483000897433 is a prime.

It is a super-2 number, since 2×20032756711321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032756711381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7940481 + ... + 10154641.

It is an arithmetic number, because the mean of its divisors is an integer number (2515094292825).

Almost surely, 2^{20032756711321} is an apocalyptic number.

It is an amenable number.

20032756711321 is a deficient number, since it is larger than the sum of its proper divisors (87997631279).

20032756711321 is a wasteful number, since it uses less digits than its factorization.

20032756711321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253899.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 20032756711321 in words is "twenty trillion, thirty-two billion, seven hundred fifty-six million, seven hundred eleven thousand, three hundred twenty-one".