20133320232251 has 2 divisors, whose sum is σ = 20133320232252. Its totient is φ = 20133320232250.

The previous prime is 20133320232247. The next prime is 20133320232343. The reversal of 20133320232251 is 15223202333102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20133320232251 - 2² = 20133320232247 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133320132251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066660116125 + 10066660116126.

It is an arithmetic number, because the mean of its divisors is an integer number (10066660116126).

Almost surely, 2^{20133320232251} is an apocalyptic number.

20133320232251 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133320232251 is an equidigital number, since it uses as much as digits as its factorization.

20133320232251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20133320232251 its reverse (15223202333102), we get a palindrome (35356522565353).

The spelling of 20133320232251 in words is "twenty trillion, one hundred thirty-three billion, three hundred twenty million, two hundred thirty-two thousand, two hundred fifty-one".