220501401986 has 16 divisors (see below), whose sum is σ = 331036236960. Its totient is φ = 110156034240.

The previous prime is 220501401959. The next prime is 220501402003. The reversal of 220501401986 is 689104105022.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12858410 + ... + 12875546.

It is an arithmetic number, because the mean of its divisors is an integer number (20689764810).

Almost surely, 2^220501401986 is an apocalyptic number.

220501401986 is a deficient number, since it is larger than the sum of its proper divisors (110534834974).

220501401986 is a wasteful number, since it uses less digits than its factorization.

220501401986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22289.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 220501401986 in words is "two hundred twenty billion, five hundred one million, four hundred one thousand, nine hundred eighty-six".