20053530200523 has 32 divisors (see below), whose sum is σ = 27167719997440. Its totient is φ = 13155369252480.

The previous prime is 20053530200519. The next prime is 20053530200573. The reversal of 20053530200523 is 32500203535002.

It is not a de Polignac number, because 20053530200523 - 2² = 20053530200519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20053530200573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129960765 + ... + 130114977.

It is an arithmetic number, because the mean of its divisors is an integer number (848991249920).

Almost surely, 2^{20053530200523} is an apocalyptic number.

20053530200523 is a deficient number, since it is larger than the sum of its proper divisors (7114189796917).

20053530200523 is a wasteful number, since it uses less digits than its factorization.

20053530200523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156139.

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 20053530200523 its reverse (32500203535002), we get a palindrome (52553733735525).

The spelling of 20053530200523 in words is "twenty trillion, fifty-three billion, five hundred thirty million, two hundred thousand, five hundred twenty-three".