20133320232811 has 2 divisors, whose sum is σ = 20133320232812. Its totient is φ = 20133320232810.

The previous prime is 20133320232787. The next prime is 20133320232869. The reversal of 20133320232811 is 11823202333102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20133320232811 - 2²¹ = 20133318135659 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133320232881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066660116405 + 10066660116406.

It is an arithmetic number, because the mean of its divisors is an integer number (10066660116406).

Almost surely, 2^{20133320232811} is an apocalyptic number.

20133320232811 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133320232811 is an equidigital number, since it uses as much as digits as its factorization.

20133320232811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 20133320232811 its reverse (11823202333102), we get a palindrome (31956522565913).

The spelling of 20133320232811 in words is "twenty trillion, one hundred thirty-three billion, three hundred twenty million, two hundred thirty-two thousand, eight hundred eleven".