20001133093237 has 2 divisors, whose sum is σ = 20001133093238. Its totient is φ = 20001133093236.

The previous prime is 20001133093171. The next prime is 20001133093273. The reversal of 20001133093237 is 73239033110002.

It is a happy number.

Together with next prime (20001133093273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14067007861201 + 5934125232036 = 3750601^2 + 2436006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20001133093237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001133093297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000566546618 + 10000566546619.

It is an arithmetic number, because the mean of its divisors is an integer number (10000566546619).

Almost surely, 2^{20001133093237} is an apocalyptic number.

It is an amenable number.

20001133093237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001133093237 is an equidigital number, since it uses as much as digits as its factorization.

20001133093237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 20001133093237 in words is "twenty trillion, one billion, one hundred thirty-three million, ninety-three thousand, two hundred thirty-seven".