20210302231 has 12 divisors (see below), whose sum is σ = 23183623056. Its totient is φ = 17258754240.

The previous prime is 20210302187. The next prime is 20210302267. The reversal of 20210302231 is 13220301202.

It is not a de Polignac number, because 20210302231 - 2⁹ = 20210301719 is a prime.

It is a super-2 number, since 2×20210302231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210302531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494431 + ... + 533743.

It is an arithmetic number, because the mean of its divisors is an integer number (1931968588).

Almost surely, 2^20210302231 is an apocalyptic number.

20210302231 is a deficient number, since it is larger than the sum of its proper divisors (2973320825).

20210302231 is an frugal number, since it uses more digits than its factorization.

20210302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39862 (or 39591 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20210302231 its reverse (13220301202), we get a palindrome (33430603433).

The spelling of 20210302231 in words is "twenty billion, two hundred ten million, three hundred two thousand, two hundred thirty-one".