20934467 has 4 divisors (see below), whose sum is σ = 20958456. Its totient is φ = 20910480.

The previous prime is 20934461. The next prime is 20934469. The reversal of 20934467 is 76443902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20934467 - 2¹⁴ = 20918083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20934461) 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, 10634 + ... + 12447.

It is an arithmetic number, because the mean of its divisors is an integer number (5239614).

Almost surely, 2^20934467 is an apocalyptic number.

20934467 is a deficient number, since it is larger than the sum of its proper divisors (23989).

20934467 is an equidigital number, since it uses as much as digits as its factorization.

20934467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23988.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 20934467 is about 4575.4198714435. The cubic root of 20934467 is about 275.6051335513.

The spelling of 20934467 in words is "twenty million, nine hundred thirty-four thousand, four hundred sixty-seven".