220641042 has 16 divisors (see below), whose sum is σ = 443211840. Its totient is φ = 73225392.

The previous prime is 220640999. The next prime is 220641097. The reversal of 220641042 is 240146022.

220641042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78918 + ... + 81665.

It is an arithmetic number, because the mean of its divisors is an integer number (27700740).

Almost surely, 2^220641042 is an apocalyptic number.

220641042 is an abundant number, since it is smaller than the sum of its proper divisors (222570798).

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

220641042 is a wasteful number, since it uses less digits than its factorization.

220641042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160817.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 220641042 is about 14853.9907768922. The cubic root of 220641042 is about 604.2668458935.

Adding to 220641042 its reverse (240146022), we get a palindrome (460787064).

The spelling of 220641042 in words is "two hundred twenty million, six hundred forty-one thousand, forty-two".