20001334001 has 12 divisors (see below), whose sum is σ = 21991199412. Its totient is φ = 18177852000.

The previous prime is 20001333983. The next prime is 20001334007. The reversal of 20001334001 is 10043310002.

It can be written as a sum of positive squares in 2 ways, for example, as 14865461776 + 5135872225 = 121924^2 + 71665^2 .

It is not a de Polignac number, because 20001334001 - 2²⁶ = 19934225137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001334007) 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, 440711 + ... + 483971.

It is an arithmetic number, because the mean of its divisors is an integer number (1832599951).

Almost surely, 2^20001334001 is an apocalyptic number.

It is an amenable number.

20001334001 is a deficient number, since it is larger than the sum of its proper divisors (1989865411).

20001334001 is a wasteful number, since it uses less digits than its factorization.

20001334001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47104 (or 47093 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20001334001 its reverse (10043310002), we get a palindrome (30044644003).

The spelling of 20001334001 in words is "twenty billion, one million, three hundred thirty-four thousand, one".