20230420203424 has 48 divisors (see below), whose sum is σ = 39905327246400. Its totient is φ = 10095750365184.

The previous prime is 20230420203377. The next prime is 20230420203443. The reversal of 20230420203424 is 42430202403202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20230420203392 and 20230420203401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39289267 + ... + 39800845.

It is an arithmetic number, because the mean of its divisors is an integer number (831360984300).

Almost surely, 2^{20230420203424} is an apocalyptic number.

It is an amenable number.

20230420203424 is a deficient number, since it is larger than the sum of its proper divisors (19674907042976).

20230420203424 is a wasteful number, since it uses less digits than its factorization.

20230420203424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513965 (or 513957 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20230420203424 its reverse (42430202403202), we get a palindrome (62660622606626).

The spelling of 20230420203424 in words is "twenty trillion, two hundred thirty billion, four hundred twenty million, two hundred three thousand, four hundred twenty-four".