220069973 has 4 divisors (see below), whose sum is σ = 220436748. Its totient is φ = 219703200.

The previous prime is 220069937. The next prime is 220069979. The reversal of 220069973 is 379960022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132871729 + 87198244 = 11527^2 + 9338^2 .

It is a cyclic number.

It is not a de Polignac number, because 220069973 - 2⁶ = 220069909 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 (220069979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182486 + ... + 183687.

It is an arithmetic number, because the mean of its divisors is an integer number (55109187).

Almost surely, 2^220069973 is an apocalyptic number.

It is an amenable number.

220069973 is a deficient number, since it is larger than the sum of its proper divisors (366775).

220069973 is an equidigital number, since it uses as much as digits as its factorization.

220069973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366774.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 220069973 is about 14834.7555760114. The cubic root of 220069973 is about 603.7450689800.

The spelling of 220069973 in words is "two hundred twenty million, sixty-nine thousand, nine hundred seventy-three".