20000233121153 has 2 divisors, whose sum is σ = 20000233121154. Its totient is φ = 20000233121152.

The previous prime is 20000233121147. The next prime is 20000233121161. The reversal of 20000233121153 is 35112133200002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18722989578049 + 1277243543104 = 4327007^2 + 1130152^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000233121153 - 2⁸ = 20000233120897 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000233124153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000116560576 + 10000116560577.

It is an arithmetic number, because the mean of its divisors is an integer number (10000116560577).

Almost surely, 2^{20000233121153} is an apocalyptic number.

It is an amenable number.

20000233121153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000233121153 is an equidigital number, since it uses as much as digits as its factorization.

20000233121153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 20000233121153 its reverse (35112133200002), we get a palindrome (55112366321155).

The spelling of 20000233121153 in words is "twenty trillion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred fifty-three".