20530054001 has 4 divisors (see below), whose sum is σ = 20535186672. Its totient is φ = 20524921332.

The previous prime is 20530053967. The next prime is 20530054007. The reversal of 20530054001 is 10045003502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20530054001 - 2⁶ = 20530053937 is a prime.

It is a super-2 number, since 2×20530054001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20530054007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560331 + ... + 2568336.

It is an arithmetic number, because the mean of its divisors is an integer number (5133796668).

Almost surely, 2^20530054001 is an apocalyptic number.

It is an amenable number.

20530054001 is a deficient number, since it is larger than the sum of its proper divisors (5132671).

20530054001 is an equidigital number, since it uses as much as digits as its factorization.

20530054001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132670.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 20530054001 its reverse (10045003502), we get a palindrome (30575057503).

The spelling of 20530054001 in words is "twenty billion, five hundred thirty million, fifty-four thousand, one".