20083623517261 has 2 divisors, whose sum is σ = 20083623517262. Its totient is φ = 20083623517260.

The previous prime is 20083623517253. The next prime is 20083623517301. The reversal of 20083623517261 is 16271532638002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19927349568036 + 156273949225 = 4464006^2 + 395315^2 .

It is a cyclic number.

It is not a de Polignac number, because 20083623517261 - 2³ = 20083623517253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20083623017261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041811758630 + 10041811758631.

It is an arithmetic number, because the mean of its divisors is an integer number (10041811758631).

Almost surely, 2^{20083623517261} is an apocalyptic number.

It is an amenable number.

20083623517261 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083623517261 is an equidigital number, since it uses as much as digits as its factorization.

20083623517261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 20083623517261 in words is "twenty trillion, eighty-three billion, six hundred twenty-three million, five hundred seventeen thousand, two hundred sixty-one".