20814481175 has 12 divisors (see below), whose sum is σ = 26099958960. Its totient is φ = 16464486720.

The previous prime is 20814481169. The next prime is 20814481211. The reversal of 20814481175 is 57118441802.

It is not a de Polignac number, because 20814481175 - 2⁴ = 20814481159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4675187 + ... + 4679636.

It is an arithmetic number, because the mean of its divisors is an integer number (2174996580).

Almost surely, 2^20814481175 is an apocalyptic number.

20814481175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20814481175 is a deficient number, since it is larger than the sum of its proper divisors (5285477785).

20814481175 is an equidigital number, since it uses as much as digits as its factorization.

20814481175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354922 (or 9354917 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The spelling of 20814481175 in words is "twenty billion, eight hundred fourteen million, four hundred eighty-one thousand, one hundred seventy-five".