20080463 has 4 divisors (see below), whose sum is σ = 21625128. Its totient is φ = 18535800.

The previous prime is 20080453. The next prime is 20080477. The reversal of 20080463 is 36408002.

It is a happy number.

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 20080463 - 2¹² = 20076367 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 (20080453) 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, 772313 + ... + 772338.

It is an arithmetic number, because the mean of its divisors is an integer number (5406282).

Almost surely, 2^20080463 is an apocalyptic number.

20080463 is a deficient number, since it is larger than the sum of its proper divisors (1544665).

20080463 is a wasteful number, since it uses less digits than its factorization.

20080463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544664.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20080463 is about 4481.1229619371. The cubic root of 20080463 is about 271.8052915572.

Adding to 20080463 its reverse (36408002), we get a palindrome (56488465).

The spelling of 20080463 in words is "twenty million, eighty thousand, four hundred sixty-three".