220042534 has 16 divisors (see below), whose sum is σ = 350095680. Its totient is φ = 103432680.

The previous prime is 220042523. The next prime is 220042547. The reversal of 220042534 is 435240022.

220042534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 17124 + ... + 27079.

It is an arithmetic number, because the mean of its divisors is an integer number (21880980).

Almost surely, 2^220042534 is an apocalyptic number.

220042534 is a deficient number, since it is larger than the sum of its proper divisors (130053146).

220042534 is a wasteful number, since it uses less digits than its factorization.

220042534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44355.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 220042534 is about 14833.8307257431. The cubic root of 220042534 is about 603.7199756740.

Adding to 220042534 its reverse (435240022), we get a palindrome (655282556).

The spelling of 220042534 in words is "two hundred twenty million, forty-two thousand, five hundred thirty-four".