20240140245 has 32 divisors (see below), whose sum is σ = 36926813952. Its totient is φ = 9378235392.

The previous prime is 20240140163. The next prime is 20240140273. The reversal of 20240140245 is 54204104202.

It is a happy number.

It is not a de Polignac number, because 20240140245 - 2¹¹ = 20240138197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3049497 + ... + 3056126.

It is an arithmetic number, because the mean of its divisors is an integer number (1153962936).

Almost surely, 2^20240140245 is an apocalyptic number.

It is an amenable number.

20240140245 is a deficient number, since it is larger than the sum of its proper divisors (16686673707).

20240140245 is a wasteful number, since it uses less digits than its factorization.

20240140245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105661.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 20240140245 its reverse (54204104202), we get a palindrome (74444244447).

The spelling of 20240140245 in words is "twenty billion, two hundred forty million, one hundred forty thousand, two hundred forty-five".