20512120013033 has 16 divisors (see below), whose sum is σ = 23101149860352. Its totient is φ = 18043933440000.

The previous prime is 20512120012973. The next prime is 20512120013069. The reversal of 20512120013033 is 33031002121502.

It is a cyclic number.

It is not a de Polignac number, because 20512120013033 - 2⁸ = 20512120012777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20512120013083) 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, 14633 + ... + 6405033.

It is an arithmetic number, because the mean of its divisors is an integer number (1443821866272).

Almost surely, 2^{20512120013033} is an apocalyptic number.

It is an amenable number.

20512120013033 is a deficient number, since it is larger than the sum of its proper divisors (2589029847319).

20512120013033 is a wasteful number, since it uses less digits than its factorization.

20512120013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399856.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 20512120013033 its reverse (33031002121502), we get a palindrome (53543122134535).

The spelling of 20512120013033 in words is "twenty trillion, five hundred twelve billion, one hundred twenty million, thirteen thousand, thirty-three".