20453585967 has 20 divisors (see below), whose sum is σ = 30869125056. Its totient is φ = 13495144320.

The previous prime is 20453585959. The next prime is 20453585969. The reversal of 20453585967 is 76958535402.

20453585967 is a `hidden beast` number, since 2 + 0 + 4 + 53 + 585 + 9 + 6 + 7 = 666.

It is not a de Polignac number, because 20453585967 - 2³ = 20453585959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453585969) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1293759 + ... + 1309472.

Almost surely, 2^20453585967 is an apocalyptic number.

20453585967 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20453585967 is a deficient number, since it is larger than the sum of its proper divisors (10415539089).

20453585967 is an equidigital number, since it uses as much as digits as its factorization.

20453585967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603340 (or 2603331 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

It can be divided in two parts, 2045358 and 5967, that added together give a triangular number (2051325 = T₂₀₂₅).

The spelling of 20453585967 in words is "twenty billion, four hundred fifty-three million, five hundred eighty-five thousand, nine hundred sixty-seven".