20332031020531 has 2 divisors, whose sum is σ = 20332031020532. Its totient is φ = 20332031020530.

The previous prime is 20332031020489. The next prime is 20332031020547. The reversal of 20332031020531 is 13502013023302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20332031020531 - 2³¹ = 20329883536883 is a prime.

It is a super-2 number, since 2×20332031020531² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20332031020496 and 20332031020505.

It is not a weakly prime, because it can be changed into another prime (20332031027531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166015510265 + 10166015510266.

It is an arithmetic number, because the mean of its divisors is an integer number (10166015510266).

Almost surely, 2^{20332031020531} is an apocalyptic number.

20332031020531 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332031020531 is an equidigital number, since it uses as much as digits as its factorization.

20332031020531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 20332031020531 its reverse (13502013023302), we get a palindrome (33834044043833).

The spelling of 20332031020531 in words is "twenty trillion, three hundred thirty-two billion, thirty-one million, twenty thousand, five hundred thirty-one".