220416694893 has 6 divisors (see below), whose sum is σ = 318379670414. Its totient is φ = 146944463256.

The previous prime is 220416694879. The next prime is 220416694919. The reversal of 220416694893 is 398496614022.

It can be written as a sum of positive squares in only one way, i.e., 212693448969 + 7723245924 = 461187^2 + 87882^2 .

It is not a de Polignac number, because 220416694893 - 2⁶ = 220416694829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220416694843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12245371930 + ... + 12245371947.

Almost surely, 2^220416694893 is an apocalyptic number.

It is an amenable number.

220416694893 is a deficient number, since it is larger than the sum of its proper divisors (97962975521).

220416694893 is a wasteful number, since it uses less digits than its factorization.

220416694893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24490743883 (or 24490743880 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 220416694893 in words is "two hundred twenty billion, four hundred sixteen million, six hundred ninety-four thousand, eight hundred ninety-three".