20050560001 has 4 divisors (see below), whose sum is σ = 20051974404. Its totient is φ = 20049145600.

The previous prime is 20050559953. The next prime is 20050560007. The reversal of 20050560001 is 10006505002.

It is a happy number.

It is a Cunningham number, because it is equal to 141600²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226201600 + 19824358401 = 15040^2 + 140799^2 .

It is a cyclic number.

It is not a de Polignac number, because 20050560001 - 2²¹ = 20048462849 is a prime.

It is a super-2 number, since 2×20050560001² (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 (20050560007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685720 + ... + 714361.

It is an arithmetic number, because the mean of its divisors is an integer number (5012993601).

Almost surely, 2^20050560001 is an apocalyptic number.

It is an amenable number.

20050560001 is a deficient number, since it is larger than the sum of its proper divisors (1414403).

20050560001 is a wasteful number, since it uses less digits than its factorization.

20050560001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414402.

The product of its (nonzero) digits is 300, while the sum is 19.

The spelling of 20050560001 in words is "twenty billion, fifty million, five hundred sixty thousand, one".