20522502523 has 8 divisors (see below), whose sum is σ = 20750767920. Its totient is φ = 20294912640.

The previous prime is 20522502503. The next prime is 20522502601. The reversal of 20522502523 is 32520522502.

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 20522502523 - 2¹³ = 20522494331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20522502491 and 20522502500.

It is not an unprimeable number, because it can be changed into a prime (20522502503) 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 7 ways as a sum of consecutive naturals, for example, 107658 + ... + 229423.

It is an arithmetic number, because the mean of its divisors is an integer number (2593845990).

Almost surely, 2^20522502523 is an apocalyptic number.

20522502523 is a deficient number, since it is larger than the sum of its proper divisors (228265397).

20522502523 is a wasteful number, since it uses less digits than its factorization.

20522502523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337757.

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 20522502523 in words is "twenty billion, five hundred twenty-two million, five hundred two thousand, five hundred twenty-three".