20081476 has 12 divisors (see below), whose sum is σ = 35738640. Its totient is φ = 9870440.

The previous prime is 20081449. The next prime is 20081483. The reversal of 20081476 is 67418002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42310 + ... + 42781.

It is an arithmetic number, because the mean of its divisors is an integer number (2978220).

Almost surely, 2^20081476 is an apocalyptic number.

It is an amenable number.

20081476 is a deficient number, since it is larger than the sum of its proper divisors (15657164).

20081476 is a wasteful number, since it uses less digits than its factorization.

20081476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85154 (or 85152 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20081476 is about 4481.2359902152. The cubic root of 20081476 is about 271.8098620715.

Adding to 20081476 its reverse (67418002), we get a palindrome (87499478).

The spelling of 20081476 in words is "twenty million, eighty-one thousand, four hundred seventy-six".