220100132009 has 2 divisors, whose sum is σ = 220100132010. Its totient is φ = 220100132008.

The previous prime is 220100131997. The next prime is 220100132017. The reversal of 220100132009 is 900231001022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207166074025 + 12934057984 = 455155^2 + 113728^2 .

It is a cyclic number.

It is not a de Polignac number, because 220100132009 - 2²⁴ = 220083354793 is a prime.

It is a super-2 number, since 2×220100132009² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220100135009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050066004 + 110050066005.

It is an arithmetic number, because the mean of its divisors is an integer number (110050066005).

Almost surely, 2^220100132009 is an apocalyptic number.

It is an amenable number.

220100132009 is a deficient number, since it is larger than the sum of its proper divisors (1).

220100132009 is an equidigital number, since it uses as much as digits as its factorization.

220100132009 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 220100132009 in words is "two hundred twenty billion, one hundred million, one hundred thirty-two thousand, nine".