220880146 has 16 divisors (see below), whose sum is σ = 347620608. Its totient is φ = 105123600.

The previous prime is 220880137. The next prime is 220880147. The reversal of 220880146 is 641088022.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (220880147) 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 7 ways as a sum of consecutive naturals, for example, 25420 + ... + 32983.

It is an arithmetic number, because the mean of its divisors is an integer number (21726288).

Almost surely, 2^220880146 is an apocalyptic number.

220880146 is a deficient number, since it is larger than the sum of its proper divisors (126740462).

220880146 is a wasteful number, since it uses less digits than its factorization.

220880146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58497.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 220880146 is about 14862.0370743717. The cubic root of 220880146 is about 604.4850441324.

The spelling of 220880146 in words is "two hundred twenty million, eight hundred eighty thousand, one hundred forty-six".