20367841 has 8 divisors (see below), whose sum is σ = 22244544. Its totient is φ = 18535440.

The previous prime is 20367827. The next prime is 20367863. The reversal of 20367841 is 14876302.

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 20367841 - 2¹³ = 20359649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20367881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10111 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (2780568).

Almost surely, 2^20367841 is an apocalyptic number.

It is an amenable number.

20367841 is a deficient number, since it is larger than the sum of its proper divisors (1876703).

20367841 is a wasteful number, since it uses less digits than its factorization.

20367841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22151.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 20367841 is about 4513.0744509702. The cubic root of 20367841 is about 273.0957859126.

The spelling of 20367841 in words is "twenty million, three hundred sixty-seven thousand, eight hundred forty-one".