10021302 has 48 divisors (see below), whose sum is σ = 22905792. Its totient is φ = 3162240.

The previous prime is 10021301. The next prime is 10021331. The reversal of 10021302 is 20312001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021301) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 27123 + ... + 27489.

It is an arithmetic number, because the mean of its divisors is an integer number (477204).

Almost surely, 2^10021302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11452896).

10021302 is an abundant number, since it is smaller than the sum of its proper divisors (12884490).

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

10021302 is a wasteful number, since it uses less digits than its factorization.

10021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10021302 is about 3165.6440103082. The cubic root of 10021302 is about 215.5963397320.

Adding to 10021302 its reverse (20312001), we get a palindrome (30333303).

It can be divided in two parts, 1002 and 1302, that added together give a square (2304 = 48²).

The spelling of 10021302 in words is "ten million, twenty-one thousand, three hundred two".