20986037323 has 2 divisors, whose sum is σ = 20986037324. Its totient is φ = 20986037322.

The previous prime is 20986037291. The next prime is 20986037441. The reversal of 20986037323 is 32373068902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20986037323 - 2⁵ = 20986037291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20986037323.

It is not a weakly prime, because it can be changed into another prime (20986038323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10493018661 + 10493018662.

It is an arithmetic number, because the mean of its divisors is an integer number (10493018662).

Almost surely, 2^20986037323 is an apocalyptic number.

20986037323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20986037323 is an equidigital number, since it uses as much as digits as its factorization.

20986037323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 20986037323 in words is "twenty billion, nine hundred eighty-six million, thirty-seven thousand, three hundred twenty-three".