20011210203133 has 16 divisors (see below), whose sum is σ = 21315560011200. Its totient is φ = 18721095148800.

The previous prime is 20011210203109. The next prime is 20011210203151. The reversal of 20011210203133 is 33130201211002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011210203133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20011210203133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011210203233) 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, 4909438 + ... + 8007808.

It is an arithmetic number, because the mean of its divisors is an integer number (1332222500700).

Almost surely, 2^{20011210203133} is an apocalyptic number.

It is an amenable number.

20011210203133 is a deficient number, since it is larger than the sum of its proper divisors (1304349808067).

20011210203133 is a wasteful number, since it uses less digits than its factorization.

20011210203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100668.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20011210203133 its reverse (33130201211002), we get a palindrome (53141411414135).

The spelling of 20011210203133 in words is "twenty trillion, eleven billion, two hundred ten million, two hundred three thousand, one hundred thirty-three".