20080555 has 12 divisors (see below), whose sum is σ = 26487216. Its totient is φ = 14603600.

The previous prime is 20080537. The next prime is 20080573. The reversal of 20080555 is 55508002.

It is an interprime number because it is at equal distance from previous prime (20080537) and next prime (20080573).

It is not a de Polignac number, because 20080555 - 2⁵ = 20080523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15991 + ... + 17200.

It is an arithmetic number, because the mean of its divisors is an integer number (2207268).

Almost surely, 2^20080555 is an apocalyptic number.

20080555 is a deficient number, since it is larger than the sum of its proper divisors (6406661).

20080555 is a wasteful number, since it uses less digits than its factorization.

20080555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33218 (or 33207 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 20080555 is about 4481.1332272094. The cubic root of 20080555 is about 271.8057066546.

Adding to 20080555 its reverse (55508002), we get a palindrome (75588557).

The spelling of 20080555 in words is "twenty million, eighty thousand, five hundred fifty-five".