20363063533 has 2 divisors, whose sum is σ = 20363063534. Its totient is φ = 20363063532.

The previous prime is 20363063521. The next prime is 20363063557. The reversal of 20363063533 is 33536036302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19893127849 + 469935684 = 141043^2 + 21678^2 .

It is a cyclic number.

It is not a de Polignac number, because 20363063533 - 2¹³ = 20363055341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20363069533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10181531766 + 10181531767.

It is an arithmetic number, because the mean of its divisors is an integer number (10181531767).

Almost surely, 2^20363063533 is an apocalyptic number.

It is an amenable number.

20363063533 is a deficient number, since it is larger than the sum of its proper divisors (1).

20363063533 is an equidigital number, since it uses as much as digits as its factorization.

20363063533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 34.

Adding to 20363063533 its reverse (33536036302), we get a palindrome (53899099835).

The spelling of 20363063533 in words is "twenty billion, three hundred sixty-three million, sixty-three thousand, five hundred thirty-three".