20067541 has 8 divisors (see below), whose sum is σ = 22114400. Its totient is φ = 18092592.

The previous prime is 20067539. The next prime is 20067581. The reversal of 20067541 is 14576002.

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

It is a cyclic number.

It is not a de Polignac number, because 20067541 - 2¹ = 20067539 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 (20067521) 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, 17391 + ... + 18508.

It is an arithmetic number, because the mean of its divisors is an integer number (2764300).

Almost surely, 2^20067541 is an apocalyptic number.

It is an amenable number.

20067541 is a deficient number, since it is larger than the sum of its proper divisors (2046859).

20067541 is a wasteful number, since it uses less digits than its factorization.

20067541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35955.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20067541 is about 4479.6809038145. The cubic root of 20067541 is about 271.7469758095.

The spelling of 20067541 in words is "twenty million, sixty-seven thousand, five hundred forty-one".