10020766868 has 96 divisors (see below), whose sum is σ = 21545975808. Its totient is φ = 3984710400.

The previous prime is 10020766849. The next prime is 10020766901. The reversal of 10020766868 is 86866702001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5042171 + ... + 5044157.

It is an arithmetic number, because the mean of its divisors is an integer number (224437248).

Almost surely, 2^10020766868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020766868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10772987904).

10020766868 is an abundant number, since it is smaller than the sum of its proper divisors (11525208940).

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

10020766868 is a wasteful number, since it uses less digits than its factorization.

10020766868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 10020766868 in words is "ten billion, twenty million, seven hundred sixty-six thousand, eight hundred sixty-eight".