20050104051 has 12 divisors (see below), whose sum is σ = 28967447080. Its totient is φ = 13363881120.

The previous prime is 20050104049. The next prime is 20050104083. The reversal of 20050104051 is 15040105002.

20050104051 is a `hidden beast` number, since 200 + 50 + 10 + 405 + 1 = 666.

It is not a de Polignac number, because 20050104051 - 2¹ = 20050104049 is a prime.

It is a super-2 number, since 2×20050104051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20050154051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192985 + ... + 278106.

Almost surely, 2^20050104051 is an apocalyptic number.

20050104051 is a deficient number, since it is larger than the sum of its proper divisors (8917343029).

20050104051 is a wasteful number, since it uses less digits than its factorization.

20050104051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475826 (or 475823 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 20050104051 its reverse (15040105002), we get a palindrome (35090209053).

The spelling of 20050104051 in words is "twenty billion, fifty million, one hundred four thousand, fifty-one".