220886115471057 has 4 divisors (see below), whose sum is σ = 294514820628080. Its totient is φ = 147257410314036.

The previous prime is 220886115471053. The next prime is 220886115471097. The reversal of 220886115471057 is 750174511688022.

220886115471057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220886115471057 - 2² = 220886115471053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220886115470988 and 220886115471006.

It is not an unprimeable number, because it can be changed into a prime (220886115471053) 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, 36814352578507 + ... + 36814352578512.

It is an arithmetic number, because the mean of its divisors is an integer number (73628705157020).

Almost surely, 2^{220886115471057} is an apocalyptic number.

It is an amenable number.

220886115471057 is a deficient number, since it is larger than the sum of its proper divisors (73628705157023).

220886115471057 is an equidigital number, since it uses as much as digits as its factorization.

220886115471057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73628705157022.

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 220886115471057 in words is "two hundred twenty trillion, eight hundred eighty-six billion, one hundred fifteen million, four hundred seventy-one thousand, fifty-seven".