20210303232 has 324 divisors, whose sum is σ = 70133738220. Its totient is φ = 5574352896.

The previous prime is 20210303227. The next prime is 20210303263. The reversal of 20210303232 is 23230301202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3822206976 + 16388096256 = 61824^2 + 128016^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3270898 + ... + 3277070.

It is an arithmetic number, because the mean of its divisors is an integer number (216462155).

Almost surely, 2^20210303232 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 20210303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35066869110).

20210303232 is an abundant number, since it is smaller than the sum of its proper divisors (49923434988).

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

20210303232 is a wasteful number, since it uses less digits than its factorization.

20210303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238 (or 6214 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20210303232 its reverse (23230301202), we get a palindrome (43440604434).

The spelling of 20210303232 in words is "twenty billion, two hundred ten million, three hundred three thousand, two hundred thirty-two".