220846636852 has 24 divisors (see below), whose sum is σ = 393319910592. Its totient is φ = 108480590400.

The previous prime is 220846636823. The next prime is 220846636853. The reversal of 220846636852 is 258636648022.

It is a self number, because there is not a number n which added to its sum of digits gives 220846636852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220846636853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303878 + ... + 1463485.

It is an arithmetic number, because the mean of its divisors is an integer number (16388329608).

Almost surely, 2^220846636852 is an apocalyptic number.

It is an amenable number.

220846636852 is a deficient number, since it is larger than the sum of its proper divisors (172473273740).

220846636852 is a wasteful number, since it uses less digits than its factorization.

220846636852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767719 (or 2767717 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 220846636852 in words is "two hundred twenty billion, eight hundred forty-six million, six hundred thirty-six thousand, eight hundred fifty-two".