20023262463 has 16 divisors (see below), whose sum is σ = 26874441216. Its totient is φ = 13260542400.

The previous prime is 20023262459. The next prime is 20023262471. The reversal of 20023262463 is 36426232002.

It is not a de Polignac number, because 20023262463 - 2² = 20023262459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20023262463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023262443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140931 + ... + 1158347.

It is an arithmetic number, because the mean of its divisors is an integer number (1679652576).

Almost surely, 2^20023262463 is an apocalyptic number.

20023262463 is a deficient number, since it is larger than the sum of its proper divisors (6851178753).

20023262463 is a wasteful number, since it uses less digits than its factorization.

20023262463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19934.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20023262463 its reverse (36426232002), we get a palindrome (56449494465).

The spelling of 20023262463 in words is "twenty billion, twenty-three million, two hundred sixty-two thousand, four hundred sixty-three".