220654004801 has 2 divisors, whose sum is σ = 220654004802. Its totient is φ = 220654004800.

The previous prime is 220654004771. The next prime is 220654004821. The reversal of 220654004801 is 108400456022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199330996225 + 21323008576 = 446465^2 + 146024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220654004801 is a prime.

It is not a weakly prime, because it can be changed into another prime (220654004821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110327002400 + 110327002401.

It is an arithmetic number, because the mean of its divisors is an integer number (110327002401).

Almost surely, 2^220654004801 is an apocalyptic number.

It is an amenable number.

220654004801 is a deficient number, since it is larger than the sum of its proper divisors (1).

220654004801 is an equidigital number, since it uses as much as digits as its factorization.

220654004801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 220654004801 in words is "two hundred twenty billion, six hundred fifty-four million, four thousand, eight hundred one".