20704251323 has 8 divisors (see below), whose sum is σ = 23695380960. Its totient is φ = 17721466560.

The previous prime is 20704251317. The next prime is 20704251367. The reversal of 20704251323 is 32315240702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20704251323 - 2⁶ = 20704251259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20704251383) 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, 2080898 + ... + 2090823.

It is an arithmetic number, because the mean of its divisors is an integer number (2961922620).

Almost surely, 2^20704251323 is an apocalyptic number.

20704251323 is a deficient number, since it is larger than the sum of its proper divisors (2991129637).

20704251323 is an equidigital number, since it uses as much as digits as its factorization.

20704251323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172437.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 20704251323 in words is "twenty billion, seven hundred four million, two hundred fifty-one thousand, three hundred twenty-three".