20081284516010 has 8 divisors (see below), whose sum is σ = 36146312128836. Its totient is φ = 8032513806400.

The previous prime is 20081284515989. The next prime is 20081284516021. The reversal of 20081284516010 is 1061548218002.

It can be written as a sum of positive squares in 2 ways, for example, as 20005197362089 + 76087153921 = 4472717^2 + 275839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004064225791 + ... + 1004064225810.

Almost surely, 2^{20081284516010} is an apocalyptic number.

20081284516010 is a deficient number, since it is larger than the sum of its proper divisors (16065027612826).

20081284516010 is a wasteful number, since it uses less digits than its factorization.

20081284516010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008128451608.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 20081284516010 in words is "twenty trillion, eighty-one billion, two hundred eighty-four million, five hundred sixteen thousand, ten".