220220682845 has 32 divisors (see below), whose sum is σ = 287532072960. Its totient is φ = 161303400000.

The previous prime is 220220682841. The next prime is 220220682853. The reversal of 220220682845 is 548286022022.

It is not a de Polignac number, because 220220682845 - 2² = 220220682841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220682841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2161910 + ... + 2261480.

It is an arithmetic number, because the mean of its divisors is an integer number (8985377280).

Almost surely, 2^220220682845 is an apocalyptic number.

It is an amenable number.

220220682845 is a deficient number, since it is larger than the sum of its proper divisors (67311390115).

220220682845 is a wasteful number, since it uses less digits than its factorization.

220220682845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100377.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 220220682845 in words is "two hundred twenty billion, two hundred twenty million, six hundred eighty-two thousand, eight hundred forty-five".