20242352155 has 8 divisors (see below), whose sum is σ = 24353269200. Its totient is φ = 16152250656.

The previous prime is 20242352111. The next prime is 20242352161. The reversal of 20242352155 is 55125324202.

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 20242352155 - 2³³ = 11652417563 is a prime.

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, 5201745 + ... + 5205634.

It is an arithmetic number, because the mean of its divisors is an integer number (3044158650).

Almost surely, 2^20242352155 is an apocalyptic number.

20242352155 is a deficient number, since it is larger than the sum of its proper divisors (4110917045).

20242352155 is a wasteful number, since it uses less digits than its factorization.

20242352155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407773.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 20242352155 its reverse (55125324202), we get a palindrome (75367676357).

The spelling of 20242352155 in words is "twenty billion, two hundred forty-two million, three hundred fifty-two thousand, one hundred fifty-five".