20044610563 has 8 divisors (see below), whose sum is σ = 21422059632. Its totient is φ = 18689200896.

The previous prime is 20044610549. The next prime is 20044610567. The reversal of 20044610563 is 36501644002.

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 20044610563 - 2²¹ = 20042513411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20044610567) 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, 5507970 + ... + 5511607.

It is an arithmetic number, because the mean of its divisors is an integer number (2677757454).

Almost surely, 2^20044610563 is an apocalyptic number.

20044610563 is a deficient number, since it is larger than the sum of its proper divisors (1377449069).

20044610563 is a wasteful number, since it uses less digits than its factorization.

20044610563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019701.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20044610563 in words is "twenty billion, forty-four million, six hundred ten thousand, five hundred sixty-three".