20201000005 has 16 divisors (see below), whose sum is σ = 24349334400. Its totient is φ = 16088863680.

The previous prime is 20200999919. The next prime is 20201000009. The reversal of 20201000005 is 50000010202.

It is not a de Polignac number, because 20201000005 - 2¹³ = 20200991813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200999955 and 20201000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102015 + ... + 1120195.

It is an arithmetic number, because the mean of its divisors is an integer number (1521833400).

Almost surely, 2^20201000005 is an apocalyptic number.

It is an amenable number.

20201000005 is a deficient number, since it is larger than the sum of its proper divisors (4148334395).

20201000005 is a wasteful number, since it uses less digits than its factorization.

20201000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19164.

The product of its (nonzero) digits is 20, while the sum is 10.

Adding to 20201000005 its reverse (50000010202), we get a palindrome (70201010207).

The spelling of 20201000005 in words is "twenty billion, two hundred one million, five", and thus it is an aban number.