20080887 has 4 divisors (see below), whose sum is σ = 26774520. Its totient is φ = 13387256.

The previous prime is 20080861. The next prime is 20080919. The reversal of 20080887 is 78808002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20080887 - 2²⁰ = 19032311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20080087) 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, 3346812 + ... + 3346817.

It is an arithmetic number, because the mean of its divisors is an integer number (6693630).

Almost surely, 2^20080887 is an apocalyptic number.

20080887 is a deficient number, since it is larger than the sum of its proper divisors (6693633).

20080887 is an equidigital number, since it uses as much as digits as its factorization.

20080887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693632.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 20080887 is about 4481.1702712573. The cubic root of 20080887 is about 271.8072046046.

Adding to 20080887 its reverse (78808002), we get a palindrome (98888889).

The spelling of 20080887 in words is "twenty million, eighty thousand, eight hundred eighty-seven".