20354503202133 has 8 divisors (see below), whose sum is σ = 27801272666496. Its totient is φ = 13238701269600.

The previous prime is 20354503202053. The next prime is 20354503202149. The reversal of 20354503202133 is 33120230545302.

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

It is not a de Polignac number, because 20354503202133 - 2¹⁸ = 20354502939989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20354503202094 and 20354503202103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354503202183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82741882813 + ... + 82741883058.

It is an arithmetic number, because the mean of its divisors is an integer number (3475159083312).

Almost surely, 2^{20354503202133} is an apocalyptic number.

It is an amenable number.

20354503202133 is a deficient number, since it is larger than the sum of its proper divisors (7446769464363).

20354503202133 is a wasteful number, since it uses less digits than its factorization.

20354503202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165483765915.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 20354503202133 its reverse (33120230545302), we get a palindrome (53474733747435).

The spelling of 20354503202133 in words is "twenty trillion, three hundred fifty-four billion, five hundred three million, two hundred two thousand, one hundred thirty-three".