220542524 has 12 divisors (see below), whose sum is σ = 386589504. Its totient is φ = 110088384.

The previous prime is 220542521. The next prime is 220542541. The reversal of 220542524 is 425245022.

220542524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220542493 and 220542502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220542521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42989 + ... + 47844.

It is an arithmetic number, because the mean of its divisors is an integer number (32215792).

Almost surely, 2^220542524 is an apocalyptic number.

It is an amenable number.

220542524 is a deficient number, since it is larger than the sum of its proper divisors (166046980).

220542524 is a wasteful number, since it uses less digits than its factorization.

220542524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91444 (or 91442 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 220542524 is about 14850.6741934499. The cubic root of 220542524 is about 604.1768958353.

Adding to 220542524 its reverse (425245022), we get a palindrome (645787546).

The spelling of 220542524 in words is "two hundred twenty million, five hundred forty-two thousand, five hundred twenty-four".