20002050513 has 12 divisors (see below), whose sum is σ = 28985965008. Its totient is φ = 13291263000.

The previous prime is 20002050511. The next prime is 20002050529. The reversal of 20002050513 is 31505020002.

It is a happy number.

It is not a de Polignac number, because 20002050513 - 2¹ = 20002050511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002050511) 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, 3616863 + ... + 3622388.

It is an arithmetic number, because the mean of its divisors is an integer number (2415497084).

Almost surely, 2^20002050513 is an apocalyptic number.

It is an amenable number.

20002050513 is a deficient number, since it is larger than the sum of its proper divisors (8983914495).

20002050513 is a wasteful number, since it uses less digits than its factorization.

20002050513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239564 (or 7239561 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

Adding to 20002050513 its reverse (31505020002), we get a palindrome (51507070515).

The spelling of 20002050513 in words is "twenty billion, two million, fifty thousand, five hundred thirteen".