20344533253203 has 8 divisors (see below), whose sum is σ = 27282842282448. Its totient is φ = 13484623196384.

The previous prime is 20344533253193. The next prime is 20344533253217. The reversal of 20344533253203 is 30235233544302.

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 20344533253203 - 2¹⁰ = 20344533252179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20344533253003) 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, 19599742500 + ... + 19599743537.

It is an arithmetic number, because the mean of its divisors is an integer number (3410355285306).

Almost surely, 2^{20344533253203} is an apocalyptic number.

20344533253203 is a deficient number, since it is larger than the sum of its proper divisors (6938309029245).

20344533253203 is a wasteful number, since it uses less digits than its factorization.

20344533253203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39199486213.

The product of its (nonzero) digits is 777600, while the sum is 39.

Adding to 20344533253203 its reverse (30235233544302), we get a palindrome (50579766797505).

The spelling of 20344533253203 in words is "twenty trillion, three hundred forty-four billion, five hundred thirty-three million, two hundred fifty-three thousand, two hundred three".