10021845120 has 128 divisors (see below), whose sum is σ = 36508199040. Its totient is φ = 2290704384.

The previous prime is 10021845107. The next prime is 10021845133. The reversal of 10021845120 is 2154812001.

It is an interprime number because it is at equal distance from previous prime (10021845107) and next prime (10021845133).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 359397 + ... + 386276.

It is an arithmetic number, because the mean of its divisors is an integer number (285220305).

Almost surely, 2^10021845120 is an apocalyptic number.

10021845120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021845120 is an abundant number, since it is smaller than the sum of its proper divisors (26486353920).

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

10021845120 is an equidigital number, since it uses as much as digits as its factorization.

10021845120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745702 (or 745690 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The spelling of 10021845120 in words is "ten billion, twenty-one million, eight hundred forty-five thousand, one hundred twenty".