220201010020009 has 2 divisors, whose sum is σ = 220201010020010. Its totient is φ = 220201010020008.

The previous prime is 220201010020003. The next prime is 220201010020027. The reversal of 220201010020009 is 900020010102022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212335256905984 + 7865753114025 = 14571728^2 + 2804595^2 .

It is a cyclic number.

It is not a de Polignac number, because 220201010020009 - 2³¹ = 220198862536361 is a prime.

It is not a weakly prime, because it can be changed into another prime (220201010020003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100505010004 + 110100505010005.

It is an arithmetic number, because the mean of its divisors is an integer number (110100505010005).

Almost surely, 2^{220201010020009} is an apocalyptic number.

It is an amenable number.

220201010020009 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201010020009 is an equidigital number, since it uses as much as digits as its factorization.

220201010020009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 220201010020009 in words is "two hundred twenty trillion, two hundred one billion, ten million, twenty thousand, nine".