20372263440303 has 16 divisors (see below), whose sum is σ = 28361439887616. Its totient is φ = 12983023859520.

The previous prime is 20372263440299. The next prime is 20372263440443. The reversal of 20372263440303 is 30304436227302.

It is not a de Polignac number, because 20372263440303 - 2² = 20372263440299 is a prime.

It is a super-2 number, since 2×20372263440303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20372263440103) 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, 90622278 + ... + 90846803.

It is an arithmetic number, because the mean of its divisors is an integer number (1772589992976).

Almost surely, 2^{20372263440303} is an apocalyptic number.

20372263440303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20372263440303 is a deficient number, since it is larger than the sum of its proper divisors (7989176447313).

20372263440303 is a wasteful number, since it uses less digits than its factorization.

20372263440303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181470734.

The product of its (nonzero) digits is 435456, while the sum is 39.

Adding to 20372263440303 its reverse (30304436227302), we get a palindrome (50676699667605).

The spelling of 20372263440303 in words is "twenty trillion, three hundred seventy-two billion, two hundred sixty-three million, four hundred forty thousand, three hundred three".