220865046071 has 4 divisors (see below), whose sum is σ = 232489522200. Its totient is φ = 209240569944.

The previous prime is 220865046043. The next prime is 220865046079. The reversal of 220865046071 is 170640568022.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-220865046071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220865046079) 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, 5812238036 + ... + 5812238073.

It is an arithmetic number, because the mean of its divisors is an integer number (58122380550).

Almost surely, 2^220865046071 is an apocalyptic number.

220865046071 is a deficient number, since it is larger than the sum of its proper divisors (11624476129).

220865046071 is a wasteful number, since it uses less digits than its factorization.

220865046071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624476128.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 220865046071 in words is "two hundred twenty billion, eight hundred sixty-five million, forty-six thousand, seventy-one".