20066758339 has 2 divisors, whose sum is σ = 20066758340. Its totient is φ = 20066758338.

The previous prime is 20066758277. The next prime is 20066758351. The reversal of 20066758339 is 93385766002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20066758339 - 2²³ = 20058369731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20066758292 and 20066758301.

It is not a weakly prime, because it can be changed into another prime (20066758039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10033379169 + 10033379170.

It is an arithmetic number, because the mean of its divisors is an integer number (10033379170).

Almost surely, 2^20066758339 is an apocalyptic number.

20066758339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20066758339 is an equidigital number, since it uses as much as digits as its factorization.

20066758339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 20066758339 in words is "twenty billion, sixty-six million, seven hundred fifty-eight thousand, three hundred thirty-nine".