20001120010051 has 2 divisors, whose sum is σ = 20001120010052. Its totient is φ = 20001120010050.

The previous prime is 20001120010007. The next prime is 20001120010127. The reversal of 20001120010051 is 15001002110002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20001120010051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001120010351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000560005025 + 10000560005026.

It is an arithmetic number, because the mean of its divisors is an integer number (10000560005026).

Almost surely, 2^{20001120010051} is an apocalyptic number.

20001120010051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001120010051 is an equidigital number, since it uses as much as digits as its factorization.

20001120010051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 20001120010051 its reverse (15001002110002), we get a palindrome (35002122120053).

The spelling of 20001120010051 in words is "twenty trillion, one billion, one hundred twenty million, ten thousand, fifty-one".