20043852012858 has 64 divisors (see below), whose sum is σ = 43367184387072. Its totient is φ = 6159800718720.

The previous prime is 20043852012839. The next prime is 20043852012871. The reversal of 20043852012858 is 85821025834002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20871160 + ... + 21810387.

It is an arithmetic number, because the mean of its divisors is an integer number (677612256048).

Almost surely, 2^{20043852012858} is an apocalyptic number.

20043852012858 is an abundant number, since it is smaller than the sum of its proper divisors (23323332374214).

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

20043852012858 is a wasteful number, since it uses less digits than its factorization.

20043852012858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42681699.

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 20043852012858 in words is "twenty trillion, forty-three billion, eight hundred fifty-two million, twelve thousand, eight hundred fifty-eight".