220742148 has 48 divisors (see below), whose sum is σ = 577088064. Its totient is φ = 65082240.

The previous prime is 220742141. The next prime is 220742167. The reversal of 220742148 is 841247022.

It is not an unprimeable number, because it can be changed into a prime (220742141) 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, 17715 + ... + 27482.

It is an arithmetic number, because the mean of its divisors is an integer number (12022668).

Almost surely, 2^220742148 is an apocalyptic number.

It is an amenable number.

220742148 is an abundant number, since it is smaller than the sum of its proper divisors (356345916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220742148 is a wasteful number, since it uses less digits than its factorization.

220742148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45252 (or 45250 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 220742148 is about 14857.3937149151. The cubic root of 220742148 is about 604.3591310421.

The spelling of 220742148 in words is "two hundred twenty million, seven hundred forty-two thousand, one hundred forty-eight".