20224510523 has 4 divisors (see below), whose sum is σ = 23113726320. Its totient is φ = 17335294728.

The previous prime is 20224510457. The next prime is 20224510561. The reversal of 20224510523 is 32501542202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32501542202 = 2 ⋅16250771101.

It is a cyclic number.

It is not a de Polignac number, because 20224510523 - 2²² = 20220316219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20224510492 and 20224510501.

It is not an unprimeable number, because it can be changed into a prime (20224510583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444607888 + ... + 1444607901.

It is an arithmetic number, because the mean of its divisors is an integer number (5778431580).

Almost surely, 2^20224510523 is an apocalyptic number.

20224510523 is a deficient number, since it is larger than the sum of its proper divisors (2889215797).

20224510523 is an equidigital number, since it uses as much as digits as its factorization.

20224510523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889215796.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20224510523 in words is "twenty billion, two hundred twenty-four million, five hundred ten thousand, five hundred twenty-three".