220959606506 has 16 divisors (see below), whose sum is σ = 349780485600. Its totient is φ = 104396007888.

The previous prime is 220959606473. The next prime is 220959606529. The reversal of 220959606506 is 605606959022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7459160 + ... + 7488723.

It is an arithmetic number, because the mean of its divisors is an integer number (21861280350).

Almost surely, 2^220959606506 is an apocalyptic number.

220959606506 is a deficient number, since it is larger than the sum of its proper divisors (128820879094).

220959606506 is a wasteful number, since it uses less digits than its factorization.

220959606506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14948293.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 220959606506 in words is "two hundred twenty billion, nine hundred fifty-nine million, six hundred six thousand, five hundred six".