20240140355 has 8 divisors (see below), whose sum is σ = 25566493200. Its totient is φ = 15339895776.

The previous prime is 20240140331. The next prime is 20240140391. The reversal of 20240140355 is 55304104202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20240140355 - 2²² = 20235946051 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106526960 + ... + 106527149.

It is an arithmetic number, because the mean of its divisors is an integer number (3195811650).

Almost surely, 2^20240140355 is an apocalyptic number.

20240140355 is a deficient number, since it is larger than the sum of its proper divisors (5326352845).

20240140355 is a wasteful number, since it uses less digits than its factorization.

20240140355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213054133.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20240140355 its reverse (55304104202), we get a palindrome (75544244557).

The spelling of 20240140355 in words is "twenty billion, two hundred forty million, one hundred forty thousand, three hundred fifty-five".