20858183010 has 192 divisors, whose sum is σ = 64449216000. Its totient is φ = 4579255296.

The previous prime is 20858182987. The next prime is 20858183051. The reversal of 20858183010 is 1038185802.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3632862 + ... + 3638598.

It is an arithmetic number, because the mean of its divisors is an integer number (335673000).

Almost surely, 2^20858183010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20858183010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32224608000).

20858183010 is an abundant number, since it is smaller than the sum of its proper divisors (43591032990).

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

20858183010 is a wasteful number, since it uses less digits than its factorization.

20858183010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985 (or 5982 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 20858183010 in words is "twenty billion, eight hundred fifty-eight million, one hundred eighty-three thousand, ten".