20360055 has 8 divisors (see below), whose sum is σ = 32576112. Its totient is φ = 10858688.

The previous prime is 20360051. The next prime is 20360057. The reversal of 20360055 is 55006302.

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 20360055 - 2² = 20360051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20360051) 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, 678654 + ... + 678683.

It is an arithmetic number, because the mean of its divisors is an integer number (4072014).

Almost surely, 2^20360055 is an apocalyptic number.

20360055 is a deficient number, since it is larger than the sum of its proper divisors (12216057).

20360055 is a wasteful number, since it uses less digits than its factorization.

20360055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357345.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 20360055 is about 4512.2117636476. The cubic root of 20360055 is about 273.0609827673.

Adding to 20360055 its reverse (55006302), we get a palindrome (75366357).

The spelling of 20360055 in words is "twenty million, three hundred sixty thousand, fifty-five".