20332199746601 has 2 divisors, whose sum is σ = 20332199746602. Its totient is φ = 20332199746600.

The previous prime is 20332199746597. The next prime is 20332199746609. The reversal of 20332199746601 is 10664799123302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19236250387225 + 1095949359376 = 4385915^2 + 1046876^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332199746601 - 2² = 20332199746597 is a prime.

It is a super-2 number, since 2×20332199746601² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20332199746609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166099873300 + 10166099873301.

It is an arithmetic number, because the mean of its divisors is an integer number (10166099873301).

Almost surely, 2^{20332199746601} is an apocalyptic number.

It is an amenable number.

20332199746601 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332199746601 is an equidigital number, since it uses as much as digits as its factorization.

20332199746601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 20332199746601 in words is "twenty trillion, three hundred thirty-two billion, one hundred ninety-nine million, seven hundred forty-six thousand, six hundred one".