220536770 has 16 divisors (see below), whose sum is σ = 400094208. Its totient is φ = 87519600.

The previous prime is 220536751. The next prime is 220536773. The reversal of 220536770 is 77635022.

It is a happy number.

220536770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220536773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85556 + ... + 88095.

It is an arithmetic number, because the mean of its divisors is an integer number (25005888).

Almost surely, 2^220536770 is an apocalyptic number.

220536770 is a deficient number, since it is larger than the sum of its proper divisors (179557438).

220536770 is a wasteful number, since it uses less digits than its factorization.

220536770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173785.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 220536770 is about 14850.4804636079. The cubic root of 220536770 is about 604.1716414229.

The spelling of 220536770 in words is "two hundred twenty million, five hundred thirty-six thousand, seven hundred seventy".