20322123031 has 16 divisors (see below), whose sum is σ = 23786211904. Its totient is φ = 17003188224.

The previous prime is 20322123001. The next prime is 20322123049. The reversal of 20322123031 is 13032122302.

It is a cyclic number.

It is not a de Polignac number, because 20322123031 - 2¹¹ = 20322120983 is a prime.

It is a super-2 number, since 2×20322123031² (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 (20322123001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155430 + ... + 254563.

It is an arithmetic number, because the mean of its divisors is an integer number (1486638244).

Almost surely, 2^20322123031 is an apocalyptic number.

20322123031 is a deficient number, since it is larger than the sum of its proper divisors (3464088873).

20322123031 is an equidigital number, since it uses as much as digits as its factorization.

20322123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410170.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20322123031 its reverse (13032122302), we get a palindrome (33354245333).

The spelling of 20322123031 in words is "twenty billion, three hundred twenty-two million, one hundred twenty-three thousand, thirty-one".