220981484559 has 16 divisors (see below), whose sum is σ = 335402728704. Its totient is φ = 128105208000.

The previous prime is 220981484551. The next prime is 220981484579. The reversal of 220981484559 is 955484189022.

It is not a de Polignac number, because 220981484559 - 2³ = 220981484551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220981484499 and 220981484508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220981484551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145573342 + ... + 145574859.

It is an arithmetic number, because the mean of its divisors is an integer number (20962670544).

Almost surely, 2^220981484559 is an apocalyptic number.

220981484559 is a deficient number, since it is larger than the sum of its proper divisors (114421244145).

220981484559 is a wasteful number, since it uses less digits than its factorization.

220981484559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291148238.

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 220981484559 in words is "two hundred twenty billion, nine hundred eighty-one million, four hundred eighty-four thousand, five hundred fifty-nine".