20132330221001 has 2 divisors, whose sum is σ = 20132330221002. Its totient is φ = 20132330221000.

The previous prime is 20132330220983. The next prime is 20132330221009. The reversal of 20132330221001 is 10012203323102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18196614531001 + 1935715690000 = 4265749^2 + 1391300^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132330221001 - 2¹⁴ = 20132330204617 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132330221009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066165110500 + 10066165110501.

It is an arithmetic number, because the mean of its divisors is an integer number (10066165110501).

Almost surely, 2^{20132330221001} is an apocalyptic number.

It is an amenable number.

20132330221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132330221001 is an equidigital number, since it uses as much as digits as its factorization.

20132330221001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20132330221001 its reverse (10012203323102), we get a palindrome (30144533544103).

The spelling of 20132330221001 in words is "twenty trillion, one hundred thirty-two billion, three hundred thirty million, two hundred twenty-one thousand, one".