220506948899 has 2 divisors, whose sum is σ = 220506948900. Its totient is φ = 220506948898.

The previous prime is 220506948829. The next prime is 220506948911. The reversal of 220506948899 is 998849605022.

220506948899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220506948899 - 2¹² = 220506944803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (220506948829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110253474449 + 110253474450.

It is an arithmetic number, because the mean of its divisors is an integer number (110253474450).

Almost surely, 2^220506948899 is an apocalyptic number.

220506948899 is a deficient number, since it is larger than the sum of its proper divisors (1).

220506948899 is an equidigital number, since it uses as much as digits as its factorization.

220506948899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 220506948899 in words is "two hundred twenty billion, five hundred six million, nine hundred forty-eight thousand, eight hundred ninety-nine".