20228422847 has 8 divisors (see below), whose sum is σ = 21281849232. Its totient is φ = 19201665600.

The previous prime is 20228422831. The next prime is 20228422873. The reversal of 20228422847 is 74822482202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20228422847 - 2⁴ = 20228422831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20228422807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6665729 + ... + 6668762.

It is an arithmetic number, because the mean of its divisors is an integer number (2660231154).

Almost surely, 2^20228422847 is an apocalyptic number.

20228422847 is a deficient number, since it is larger than the sum of its proper divisors (1053426385).

20228422847 is a wasteful number, since it uses less digits than its factorization.

20228422847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334569.

The product of its (nonzero) digits is 229376, while the sum is 41.

The spelling of 20228422847 in words is "twenty billion, two hundred twenty-eight million, four hundred twenty-two thousand, eight hundred forty-seven".