220450135564 has 48 divisors (see below), whose sum is σ = 399057583680. Its totient is φ = 106477977600.

The previous prime is 220450135559. The next prime is 220450135571. The reversal of 220450135564 is 465531054022.

220450135564 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22956364 + ... + 22965964.

It is an arithmetic number, because the mean of its divisors is an integer number (8313699660).

Almost surely, 2^220450135564 is an apocalyptic number.

It is an amenable number.

220450135564 is a deficient number, since it is larger than the sum of its proper divisors (178607448116).

220450135564 is a wasteful number, since it uses less digits than its factorization.

220450135564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738 (or 10736 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 220450135564 its reverse (465531054022), we get a palindrome (685981189586).

The spelling of 220450135564 in words is "two hundred twenty billion, four hundred fifty million, one hundred thirty-five thousand, five hundred sixty-four".