20532034331 has 2 divisors, whose sum is σ = 20532034332. Its totient is φ = 20532034330.

The previous prime is 20532034241. The next prime is 20532034337. The reversal of 20532034331 is 13343023502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20532034331 is a prime.

It is a super-2 number, since 2×20532034331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20532034331.

It is not a weakly prime, because it can be changed into another prime (20532034337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10266017165 + 10266017166.

It is an arithmetic number, because the mean of its divisors is an integer number (10266017166).

Almost surely, 2^20532034331 is an apocalyptic number.

20532034331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20532034331 is an equidigital number, since it uses as much as digits as its factorization.

20532034331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20532034331 its reverse (13343023502), we get a palindrome (33875057833).

The spelling of 20532034331 in words is "twenty billion, five hundred thirty-two million, thirty-four thousand, three hundred thirty-one".