20240112545 has 8 divisors (see below), whose sum is σ = 24699798720. Its totient is φ = 15917647600.

The previous prime is 20240112523. The next prime is 20240112547. The reversal of 20240112545 is 54521104202.

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

It is not a de Polignac number, because 20240112545 - 2²⁴ = 20223335329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20240112547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34304981 + ... + 34305570.

It is an arithmetic number, because the mean of its divisors is an integer number (3087474840).

Almost surely, 2^20240112545 is an apocalyptic number.

It is an amenable number.

20240112545 is a deficient number, since it is larger than the sum of its proper divisors (4459686175).

20240112545 is an equidigital number, since it uses as much as digits as its factorization.

20240112545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68610615.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 20240112545 its reverse (54521104202), we get a palindrome (74761216747).

The spelling of 20240112545 in words is "twenty billion, two hundred forty million, one hundred twelve thousand, five hundred forty-five".