220923797986 has 8 divisors (see below), whose sum is σ = 333915359184. Its totient is φ = 109618678260.

The previous prime is 220923797977. The next prime is 220923797987. The reversal of 220923797986 is 689797329022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220923797987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421610040 + ... + 421610563.

It is an arithmetic number, because the mean of its divisors is an integer number (41739419898).

Almost surely, 2^220923797986 is an apocalyptic number.

220923797986 is a deficient number, since it is larger than the sum of its proper divisors (112991561198).

220923797986 is a wasteful number, since it uses less digits than its factorization.

220923797986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843220736.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 220923797986 in words is "two hundred twenty billion, nine hundred twenty-three million, seven hundred ninety-seven thousand, nine hundred eighty-six".