20055367 has 4 divisors (see below), whose sum is σ = 20188336. Its totient is φ = 19922400.

The previous prime is 20055313. The next prime is 20055377. The reversal of 20055367 is 76355002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76355002 = 2 ⋅38177501.

It is a cyclic number.

It is not a de Polignac number, because 20055367 - 2⁷ = 20055239 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 (20055377) 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, 66258 + ... + 66559.

It is an arithmetic number, because the mean of its divisors is an integer number (5047084).

Almost surely, 2^20055367 is an apocalyptic number.

20055367 is a deficient number, since it is larger than the sum of its proper divisors (132969).

20055367 is a wasteful number, since it uses less digits than its factorization.

20055367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132968.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 20055367 is about 4478.3218955319. The cubic root of 20055367 is about 271.6920128074.

The spelling of 20055367 in words is "twenty million, fifty-five thousand, three hundred sixty-seven".