10021006880 has 24 divisors (see below), whose sum is σ = 23674629132. Its totient is φ = 4008402688.

The previous prime is 10021006859. The next prime is 10021006913. The reversal of 10021006880 is 8860012001.

It can be written as a sum of positive squares in 2 ways, for example, as 9973617424 + 47389456 = 99868^2 + 6884^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31315487 + ... + 31315806.

Almost surely, 2^10021006880 is an apocalyptic number.

10021006880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021006880 is an abundant number, since it is smaller than the sum of its proper divisors (13653622252).

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

10021006880 is an equidigital number, since it uses as much as digits as its factorization.

10021006880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62631308 (or 62631300 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 10021006880 its reverse (8860012001), we get a palindrome (18881018881).

The spelling of 10021006880 in words is "ten billion, twenty-one million, six thousand, eight hundred eighty".