20352125214403 has 16 divisors (see below), whose sum is σ = 20631389224960. Its totient is φ = 20073407234400.

The previous prime is 20352125214401. The next prime is 20352125214523. The reversal of 20352125214403 is 30441252125302.

It is a cyclic number.

It is not a de Polignac number, because 20352125214403 - 2¹ = 20352125214401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20352125214401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272715738 + ... + 1272731728.

It is an arithmetic number, because the mean of its divisors is an integer number (1289461826560).

Almost surely, 2^{20352125214403} is an apocalyptic number.

20352125214403 is a deficient number, since it is larger than the sum of its proper divisors (279264010557).

20352125214403 is a wasteful number, since it uses less digits than its factorization.

20352125214403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31978.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 20352125214403 its reverse (30441252125302), we get a palindrome (50793377339705).

The spelling of 20352125214403 in words is "twenty trillion, three hundred fifty-two billion, one hundred twenty-five million, two hundred fourteen thousand, four hundred three".