10221580500 has 48 divisors (see below), whose sum is σ = 29765246784. Its totient is φ = 2725754400.

The previous prime is 10221580483. The next prime is 10221580519. The reversal of 10221580500 is 508512201.

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 15 ways as a sum of consecutive naturals, for example, 3405694 + ... + 3408693.

It is an arithmetic number, because the mean of its divisors is an integer number (620109308).

Almost surely, 2^10221580500 is an apocalyptic number.

10221580500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221580500 is an abundant number, since it is smaller than the sum of its proper divisors (19543666284).

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

10221580500 is a wasteful number, since it uses less digits than its factorization.

10221580500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814409 (or 6814397 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 10221580500 in words is "ten billion, two hundred twenty-one million, five hundred eighty thousand, five hundred".