20345032403133 has 64 divisors (see below), whose sum is σ = 30014883072000. Its totient is φ = 12244363837440.

The previous prime is 20345032403089. The next prime is 20345032403231. The reversal of 20345032403133 is 33130423054302.

It is not a de Polignac number, because 20345032403133 - 2¹⁰ = 20345032402109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20345032403094 and 20345032403103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345032404133) 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 63 ways as a sum of consecutive naturals, for example, 51433693 + ... + 51827741.

It is an arithmetic number, because the mean of its divisors is an integer number (468982548000).

Almost surely, 2^{20345032403133} is an apocalyptic number.

It is an amenable number.

20345032403133 is a deficient number, since it is larger than the sum of its proper divisors (9669850668867).

20345032403133 is a wasteful number, since it uses less digits than its factorization.

20345032403133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394247 (or 394213 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 20345032403133 its reverse (33130423054302), we get a palindrome (53475455457435).

The spelling of 20345032403133 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, four hundred three thousand, one hundred thirty-three".