20230521435501 has 24 divisors (see below), whose sum is σ = 30745856322720. Its totient is φ = 11794312086336.

The previous prime is 20230521435469. The next prime is 20230521435521. The reversal of 20230521435501 is 10553412503202.

It is not a de Polignac number, because 20230521435501 - 2⁵ = 20230521435469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230521435521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1050053766 + ... + 1050073031.

It is an arithmetic number, because the mean of its divisors is an integer number (1281077346780).

Almost surely, 2^{20230521435501} is an apocalyptic number.

It is an amenable number.

20230521435501 is a deficient number, since it is larger than the sum of its proper divisors (10515334887219).

20230521435501 is a wasteful number, since it uses less digits than its factorization.

20230521435501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100126845 (or 2100126832 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 20230521435501 its reverse (10553412503202), we get a palindrome (30783933938703).

The spelling of 20230521435501 in words is "twenty trillion, two hundred thirty billion, five hundred twenty-one million, four hundred thirty-five thousand, five hundred one".