20330103453 has 16 divisors (see below), whose sum is σ = 29863847232. Its totient is φ = 12199280000.

The previous prime is 20330103439. The next prime is 20330103457. The reversal of 20330103453 is 35430103302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20330103453 - 2¹⁸ = 20329841309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330103457) 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, 3046488 + ... + 3053153.

It is an arithmetic number, because the mean of its divisors is an integer number (1866490452).

Almost surely, 2^20330103453 is an apocalyptic number.

It is an amenable number.

20330103453 is a deficient number, since it is larger than the sum of its proper divisors (9533743779).

20330103453 is a wasteful number, since it uses less digits than its factorization.

20330103453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099756.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 20330103453 its reverse (35430103302), we get a palindrome (55760206755).

The spelling of 20330103453 in words is "twenty billion, three hundred thirty million, one hundred three thousand, four hundred fifty-three".