19886906010 has 32 divisors (see below), whose sum is σ = 48382395840. Its totient is φ = 5230528128.

The previous prime is 19886906009. The next prime is 19886906021. The reversal of 19886906010 is 1060968891.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4538200 + ... + 4542579.

It is an arithmetic number, because the mean of its divisors is an integer number (1511949870).

Almost surely, 2^19886906010 is an apocalyptic number.

19886906010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19886906010 is an abundant number, since it is smaller than the sum of its proper divisors (28495489830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19886906010 is a wasteful number, since it uses less digits than its factorization.

19886906010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080862.

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 19886906010 in words is "nineteen billion, eight hundred eighty-six million, nine hundred six thousand, ten".