20683110451 has 8 divisors (see below), whose sum is σ = 21077054064. Its totient is φ = 20289303840.

The previous prime is 20683110443. The next prime is 20683110499. The reversal of 20683110451 is 15401138602.

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 20683110451 - 2³ = 20683110443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20683110251) 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 in 7 ways as a sum of consecutive naturals, for example, 301596 + ... + 363766.

It is an arithmetic number, because the mean of its divisors is an integer number (2634631758).

Almost surely, 2^20683110451 is an apocalyptic number.

20683110451 is a deficient number, since it is larger than the sum of its proper divisors (393943613).

20683110451 is an equidigital number, since it uses as much as digits as its factorization.

20683110451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68501.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 20683110451 in words is "twenty billion, six hundred eighty-three million, one hundred ten thousand, four hundred fifty-one".