20134967 has 4 divisors (see below), whose sum is σ = 20389920. Its totient is φ = 19880016.

The previous prime is 20134957. The next prime is 20134973. The reversal of 20134967 is 76943102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76943102 = 2 ⋅38471551.

It is a cyclic number.

It is not a de Polignac number, because 20134967 - 2⁸ = 20134711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127358 + ... + 127515.

It is an arithmetic number, because the mean of its divisors is an integer number (5097480).

Almost surely, 2^20134967 is an apocalyptic number.

20134967 is a deficient number, since it is larger than the sum of its proper divisors (254953).

20134967 is an equidigital number, since it uses as much as digits as its factorization.

20134967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254952.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20134967 is about 4487.2003521127. The cubic root of 20134967 is about 272.0509879544.

The spelling of 20134967 in words is "twenty million, one hundred thirty-four thousand, nine hundred sixty-seven".