20541467 has 8 divisors (see below), whose sum is σ = 20859120. Its totient is φ = 20225920.

The previous prime is 20541449. The next prime is 20541497. The reversal of 20541467 is 76414502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20541467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20541407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39167 + ... + 39687.

It is an arithmetic number, because the mean of its divisors is an integer number (2607390).

Almost surely, 2^20541467 is an apocalyptic number.

20541467 is a deficient number, since it is larger than the sum of its proper divisors (317653).

20541467 is an equidigital number, since it uses as much as digits as its factorization.

20541467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 20541467 is about 4532.2695197881. The cubic root of 20541467 is about 273.8695944714.

Adding to 20541467 its reverse (76414502), we get a palindrome (96955969).

The spelling of 20541467 in words is "twenty million, five hundred forty-one thousand, four hundred sixty-seven".