220040262247 has 4 divisors (see below), whose sum is σ = 236966436280. Its totient is φ = 203114088216.

The previous prime is 220040262241. The next prime is 220040262259. The reversal of 220040262247 is 742262040022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742262040022 = 2 ⋅371131020011.

It is not a de Polignac number, because 220040262247 - 2⁷ = 220040262119 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 (220040262241) 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, 8463086997 + ... + 8463087022.

It is an arithmetic number, because the mean of its divisors is an integer number (59241609070).

Almost surely, 2^220040262247 is an apocalyptic number.

220040262247 is a deficient number, since it is larger than the sum of its proper divisors (16926174033).

220040262247 is a wasteful number, since it uses less digits than its factorization.

220040262247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16926174032.

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 220040262247 in words is "two hundred twenty billion, forty million, two hundred sixty-two thousand, two hundred forty-seven".