20222086523 has 4 divisors (see below), whose sum is σ = 20768629440. Its totient is φ = 19675543608.

The previous prime is 20222086513. The next prime is 20222086561. The reversal of 20222086523 is 32568022202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20222086523 - 2¹² = 20222082427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222086523.

It is not an unprimeable number, because it can be changed into a prime (20222086513) 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, 273271403 + ... + 273271476.

It is an arithmetic number, because the mean of its divisors is an integer number (5192157360).

Almost surely, 2^20222086523 is an apocalyptic number.

20222086523 is a deficient number, since it is larger than the sum of its proper divisors (546542917).

20222086523 is an equidigital number, since it uses as much as digits as its factorization.

20222086523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546542916.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 20222086523 in words is "twenty billion, two hundred twenty-two million, eighty-six thousand, five hundred twenty-three".