20310050457 has 8 divisors (see below), whose sum is σ = 30088963680. Its totient is φ = 13540033620.

The previous prime is 20310050417. The next prime is 20310050521. The reversal of 20310050457 is 75405001302.

It is a happy number.

20310050457 is a `hidden beast` number, since 2 + 0 + 3 + 100 + 504 + 57 = 666.

It is not a de Polignac number, because 20310050457 - 2¹⁶ = 20309984921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 752224091 = 20310050457 / (2 + 0 + 3 + 1 + 0 + 0 + 5 + 0 + 4 + 5 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 20310050457.

It is not an unprimeable number, because it can be changed into a prime (20310050407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376112019 + ... + 376112072.

It is an arithmetic number, because the mean of its divisors is an integer number (3761120460).

Almost surely, 2^20310050457 is an apocalyptic number.

20310050457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20310050457 is a deficient number, since it is larger than the sum of its proper divisors (9778913223).

20310050457 is an equidigital number, since it uses as much as digits as its factorization.

20310050457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752224100 (or 752224094 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 20310050457 its reverse (75405001302), we get a palindrome (95715051759).

The spelling of 20310050457 in words is "twenty billion, three hundred ten million, fifty thousand, four hundred fifty-seven".