20322030231 has 48 divisors (see below), whose sum is σ = 31677609600. Its totient is φ = 12508314624.

The previous prime is 20322030217. The next prime is 20322030271. The reversal of 20322030231 is 13203022302.

It is a happy number.

It is not a de Polignac number, because 20322030231 - 2¹⁴ = 20322013847 is a prime.

It is a super-2 number, since 2×20322030231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322030271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1892305 + ... + 1903013.

It is an arithmetic number, because the mean of its divisors is an integer number (659950200).

Almost surely, 2^20322030231 is an apocalyptic number.

20322030231 is a deficient number, since it is larger than the sum of its proper divisors (11355579369).

20322030231 is a wasteful number, since it uses less digits than its factorization.

20322030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968 (or 10965 counting only the distinct ones).

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

Adding to 20322030231 its reverse (13203022302), we get a palindrome (33525052533).

The spelling of 20322030231 in words is "twenty billion, three hundred twenty-two million, thirty thousand, two hundred thirty-one".