20233013002261 has 2 divisors, whose sum is σ = 20233013002262. Its totient is φ = 20233013002260.

The previous prime is 20233013002243. The next prime is 20233013002289. The reversal of 20233013002261 is 16220031033202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19914522079761 + 318490922500 = 4462569^2 + 564350^2 .

It is a cyclic number.

It is not a de Polignac number, because 20233013002261 - 2²⁹ = 20232476131349 is a prime.

It is a super-2 number, since 2×20233013002261² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20233013002231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116506501130 + 10116506501131.

It is an arithmetic number, because the mean of its divisors is an integer number (10116506501131).

Almost surely, 2^{20233013002261} is an apocalyptic number.

It is an amenable number.

20233013002261 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233013002261 is an equidigital number, since it uses as much as digits as its factorization.

20233013002261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20233013002261 its reverse (16220031033202), we get a palindrome (36453044035463).

The spelling of 20233013002261 in words is "twenty trillion, two hundred thirty-three billion, thirteen million, two thousand, two hundred sixty-one".