20240311540663 has 2 divisors, whose sum is σ = 20240311540664. Its totient is φ = 20240311540662.

The previous prime is 20240311540661. The next prime is 20240311540667. The reversal of 20240311540663 is 36604511304202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20240311540663 - 2¹ = 20240311540661 is a prime.

It is a super-2 number, since 2×20240311540663² (a number of 27 digits) contains 22 as substring.

Together with 20240311540661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20240311540661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120155770331 + 10120155770332.

It is an arithmetic number, because the mean of its divisors is an integer number (10120155770332).

Almost surely, 2^{20240311540663} is an apocalyptic number.

20240311540663 is a deficient number, since it is larger than the sum of its proper divisors (1).

20240311540663 is an equidigital number, since it uses as much as digits as its factorization.

20240311540663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 20240311540663 its reverse (36604511304202), we get a palindrome (56844822844865).

The spelling of 20240311540663 in words is "twenty trillion, two hundred forty billion, three hundred eleven million, five hundred forty thousand, six hundred sixty-three".