20006887468 has 12 divisors (see below), whose sum is σ = 35064081640. Its totient is φ = 9988578432.

The previous prime is 20006887457. The next prime is 20006887489. The reversal of 20006887468 is 86478860002.

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, 3713298 + ... + 3718681.

Almost surely, 2^20006887468 is an apocalyptic number.

It is an amenable number.

20006887468 is a deficient number, since it is larger than the sum of its proper divisors (15057194172).

20006887468 is a wasteful number, since it uses less digits than its factorization.

20006887468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432656 (or 7432654 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 20006887468 in words is "twenty billion, six million, eight hundred eighty-seven thousand, four hundred sixty-eight".