220040004193 has 2 divisors, whose sum is σ = 220040004194. Its totient is φ = 220040004192.

The previous prime is 220040004187. The next prime is 220040004269. The reversal of 220040004193 is 391400040022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118809127969 + 101230876224 = 344687^2 + 318168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220040004193 is a prime.

It is not a weakly prime, because it can be changed into another prime (220040007193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110020002096 + 110020002097.

It is an arithmetic number, because the mean of its divisors is an integer number (110020002097).

Almost surely, 2^220040004193 is an apocalyptic number.

It is an amenable number.

220040004193 is a deficient number, since it is larger than the sum of its proper divisors (1).

220040004193 is an equidigital number, since it uses as much as digits as its factorization.

220040004193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 220040004193 in words is "two hundred twenty billion, forty million, four thousand, one hundred ninety-three".