20024236454 has 8 divisors (see below), whose sum is σ = 31803199128. Its totient is φ = 9423170080.

The previous prime is 20024236417. The next prime is 20024236459. The reversal of 20024236454 is 45463242002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20024236454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024236459) 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, 294474032 + ... + 294474099.

It is an arithmetic number, because the mean of its divisors is an integer number (3975399891).

Almost surely, 2^20024236454 is an apocalyptic number.

20024236454 is a deficient number, since it is larger than the sum of its proper divisors (11778962674).

20024236454 is a wasteful number, since it uses less digits than its factorization.

20024236454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588948150.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 20024236454 its reverse (45463242002), we get a palindrome (65487478456).

The spelling of 20024236454 in words is "twenty billion, twenty-four million, two hundred thirty-six thousand, four hundred fifty-four".