20132200091 has 2 divisors, whose sum is σ = 20132200092. Its totient is φ = 20132200090.

The previous prime is 20132200069. The next prime is 20132200157. The reversal of 20132200091 is 19000223102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132200091 - 2¹⁴ = 20132183707 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132200051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066100045 + 10066100046.

It is an arithmetic number, because the mean of its divisors is an integer number (10066100046).

Almost surely, 2^20132200091 is an apocalyptic number.

20132200091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132200091 is an equidigital number, since it uses as much as digits as its factorization.

20132200091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20132200091 its reverse (19000223102), we get a palindrome (39132423193).

The spelling of 20132200091 in words is "twenty billion, one hundred thirty-two million, two hundred thousand, ninety-one".