10021044 has 48 divisors (see below), whose sum is σ = 25824960. Its totient is φ = 2999040.

The previous prime is 10021027. The next prime is 10021049. The reversal of 10021044 is 44012001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11322 + ... + 12174.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

Almost surely, 2^10021044 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 10021044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12912480).

10021044 is an abundant number, since it is smaller than the sum of its proper divisors (15803916).

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

10021044 is a wasteful number, since it uses less digits than its factorization.

10021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10021044 is about 3165.6032600438. The cubic root of 10021044 is about 215.5944895289.

Adding to 10021044 its reverse (44012001), we get a palindrome (54033045).

The spelling of 10021044 in words is "ten million, twenty-one thousand, forty-four".