20352124236257 has 8 divisors (see below), whose sum is σ = 22422142274112. Its totient is φ = 18318743686000.

The previous prime is 20352124236229. The next prime is 20352124236277. The reversal of 20352124236257 is 75263242125302.

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 20352124236257 - 2³² = 20347829268961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20352124236277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159370733 + ... + 9159372954.

It is an arithmetic number, because the mean of its divisors is an integer number (2802767784264).

Almost surely, 2^{20352124236257} is an apocalyptic number.

It is an amenable number.

20352124236257 is a deficient number, since it is larger than the sum of its proper divisors (2070018037855).

20352124236257 is a wasteful number, since it uses less digits than its factorization.

20352124236257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18318743799.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 20352124236257 in words is "twenty trillion, three hundred fifty-two billion, one hundred twenty-four million, two hundred thirty-six thousand, two hundred fifty-seven".