20087084 has 6 divisors (see below), whose sum is σ = 35152404. Its totient is φ = 10043540.

The previous prime is 20087083. The next prime is 20087131. The reversal of 20087084 is 48078002.

It is a super-3 number, since 3×20087084³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20087083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510882 + ... + 2510889.

It is an arithmetic number, because the mean of its divisors is an integer number (5858734).

Almost surely, 2^20087084 is an apocalyptic number.

It is an amenable number.

20087084 is a deficient number, since it is larger than the sum of its proper divisors (15065320).

20087084 is a wasteful number, since it uses less digits than its factorization.

20087084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021775 (or 5021773 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 20087084 is about 4481.8616667630. The cubic root of 20087084 is about 271.8351618027.

The spelling of 20087084 in words is "twenty million, eighty-seven thousand, eighty-four".