20453160775 has 12 divisors (see below), whose sum is σ = 25364084184. Its totient is φ = 16361132000.

The previous prime is 20453160727. The next prime is 20453160781. The reversal of 20453160775 is 57706135402.

It is not a de Polignac number, because 20453160775 - 2⁷ = 20453160647 is a prime.

It is a Duffinian number.

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, 344805 + ... + 399745.

It is an arithmetic number, because the mean of its divisors is an integer number (2113673682).

Almost surely, 2^20453160775 is an apocalyptic number.

20453160775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20453160775 is a deficient number, since it is larger than the sum of its proper divisors (4910923409).

20453160775 is a wasteful number, since it uses less digits than its factorization.

20453160775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69842 (or 69837 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 20453160775 in words is "twenty billion, four hundred fifty-three million, one hundred sixty thousand, seven hundred seventy-five".