20080207487 has 4 divisors (see below), whose sum is σ = 20090106120. Its totient is φ = 20070308856.

The previous prime is 20080207423. The next prime is 20080207489. The reversal of 20080207487 is 78470208002.

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 20080207487 - 2⁶ = 20080207423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20080207487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20080207489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4946273 + ... + 4950330.

It is an arithmetic number, because the mean of its divisors is an integer number (5022526530).

Almost surely, 2^20080207487 is an apocalyptic number.

20080207487 is a deficient number, since it is larger than the sum of its proper divisors (9898633).

20080207487 is an equidigital number, since it uses as much as digits as its factorization.

20080207487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9898632.

The product of its (nonzero) digits is 50176, while the sum is 38.

The spelling of 20080207487 in words is "twenty billion, eighty million, two hundred seven thousand, four hundred eighty-seven".