20352513101101 has 4 divisors (see below), whose sum is σ = 20457966537052. Its totient is φ = 20247059665152.

The previous prime is 20352513101071. The next prime is 20352513101147. The reversal of 20352513101101 is 10110131525302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1919959411876 + 18432553689225 = 1385626^2 + 4293315^2 .

It is a cyclic number.

It is not a de Polignac number, because 20352513101101 - 2⁵ = 20352513101069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352513104101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52726717686 + ... + 52726718071.

It is an arithmetic number, because the mean of its divisors is an integer number (5114491634263).

Almost surely, 2^{20352513101101} is an apocalyptic number.

It is an amenable number.

20352513101101 is a deficient number, since it is larger than the sum of its proper divisors (105453435951).

20352513101101 is a wasteful number, since it uses less digits than its factorization.

20352513101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105453435950.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 20352513101101 its reverse (10110131525302), we get a palindrome (30462644626403).

The spelling of 20352513101101 in words is "twenty trillion, three hundred fifty-two billion, five hundred thirteen million, one hundred one thousand, one hundred one".