220073507 has 4 divisors (see below), whose sum is σ = 222092640. Its totient is φ = 218054376.

The previous prime is 220073501. The next prime is 220073509. The reversal of 220073507 is 705370022.

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

It is a cyclic number.

It is not a de Polignac number, because 220073507 - 2⁶ = 220073443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220073501) 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 in 3 ways as a sum of consecutive naturals, for example, 1009403 + ... + 1009620.

It is an arithmetic number, because the mean of its divisors is an integer number (55523160).

Almost surely, 2^220073507 is an apocalyptic number.

220073507 is a deficient number, since it is larger than the sum of its proper divisors (2019133).

220073507 is a wasteful number, since it uses less digits than its factorization.

220073507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019132.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 220073507 is about 14834.8746877080. The cubic root of 220073507 is about 603.7483007152.

The spelling of 220073507 in words is "two hundred twenty million, seventy-three thousand, five hundred seven".