20026690064233 has 2 divisors, whose sum is σ = 20026690064234. Its totient is φ = 20026690064232.

The previous prime is 20026690064113. The next prime is 20026690064291. The reversal of 20026690064233 is 33246009662002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11740306046569 + 8286384017664 = 3426413^2 + 2878608^2 .

It is a cyclic number.

It is not a de Polignac number, because 20026690064233 - 2¹⁷ = 20026689933161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20026690064233.

It is not a weakly prime, because it can be changed into another prime (20026690064033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013345032116 + 10013345032117.

It is an arithmetic number, because the mean of its divisors is an integer number (10013345032117).

Almost surely, 2^{20026690064233} is an apocalyptic number.

It is an amenable number.

20026690064233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20026690064233 is an equidigital number, since it uses as much as digits as its factorization.

20026690064233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 20026690064233 in words is "twenty trillion, twenty-six billion, six hundred ninety million, sixty-four thousand, two hundred thirty-three".