20456025223 has 8 divisors (see below), whose sum is σ = 21473238528. Its totient is φ = 19449463704.

The previous prime is 20456025221. The next prime is 20456025229. The reversal of 20456025223 is 32252065402.

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 20456025223 - 2¹ = 20456025221 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 (20456025221) 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, 2659011 + ... + 2666692.

It is an arithmetic number, because the mean of its divisors is an integer number (2684154816).

Almost surely, 2^20456025223 is an apocalyptic number.

20456025223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20456025223 is a deficient number, since it is larger than the sum of its proper divisors (1017213305).

20456025223 is a wasteful number, since it uses less digits than its factorization.

20456025223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325893.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 20456025223 in words is "twenty billion, four hundred fifty-six million, twenty-five thousand, two hundred twenty-three".