20053413523 has 16 divisors (see below), whose sum is σ = 24799219200. Its totient is φ = 15942350880.

The previous prime is 20053413491. The next prime is 20053413547. The reversal of 20053413523 is 32531435002.

It is a cyclic number.

It is not a de Polignac number, because 20053413523 - 2⁵ = 20053413491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20053413491 and 20053413500.

It is not an unprimeable number, because it can be changed into a prime (20053413553) 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, 3687643 + ... + 3693076.

It is an arithmetic number, because the mean of its divisors is an integer number (1549951200).

Almost surely, 2^20053413523 is an apocalyptic number.

20053413523 is a deficient number, since it is larger than the sum of its proper divisors (4745805677).

20053413523 is a wasteful number, since it uses less digits than its factorization.

20053413523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380762.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 20053413523 its reverse (32531435002), we get a palindrome (52584848525).

The spelling of 20053413523 in words is "twenty billion, fifty-three million, four hundred thirteen thousand, five hundred twenty-three".