20013133733206 has 32 divisors (see below), whose sum is σ = 30112533027360. Its totient is φ = 9975687321600.

The previous prime is 20013133733161. The next prime is 20013133733227. The reversal of 20013133733206 is 60233733131002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161941330 + ... + 2161950586.

It is an arithmetic number, because the mean of its divisors is an integer number (941016657105).

Almost surely, 2^{20013133733206} is an apocalyptic number.

20013133733206 is a deficient number, since it is larger than the sum of its proper divisors (10099399294154).

20013133733206 is a wasteful number, since it uses less digits than its factorization.

20013133733206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400.

The product of its (nonzero) digits is 40824, while the sum is 34.

Adding to 20013133733206 its reverse (60233733131002), we get a palindrome (80246866864208).

The spelling of 20013133733206 in words is "twenty trillion, thirteen billion, one hundred thirty-three million, seven hundred thirty-three thousand, two hundred six".