20001304051 has 4 divisors (see below), whose sum is σ = 20002578912. Its totient is φ = 20000029192.

The previous prime is 20001304039. The next prime is 20001304087. The reversal of 20001304051 is 15040310002.

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

It is a cyclic number.

It is not a de Polignac number, because 20001304051 - 2⁷ = 20001303923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001304651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613600 + ... + 645373.

It is an arithmetic number, because the mean of its divisors is an integer number (5000644728).

Almost surely, 2^20001304051 is an apocalyptic number.

20001304051 is a deficient number, since it is larger than the sum of its proper divisors (1274861).

20001304051 is a wasteful number, since it uses less digits than its factorization.

20001304051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274860.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20001304051 its reverse (15040310002), we get a palindrome (35041614053).

The spelling of 20001304051 in words is "twenty billion, one million, three hundred four thousand, fifty-one".