20625061339 has 2 divisors, whose sum is σ = 20625061340. Its totient is φ = 20625061338.

The previous prime is 20625061321. The next prime is 20625061343. The reversal of 20625061339 is 93316052602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20625061339 is a prime.

It is a super-3 number, since 3×20625061339³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20625061298 and 20625061307.

It is not a weakly prime, because it can be changed into another prime (20625061739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10312530669 + 10312530670.

It is an arithmetic number, because the mean of its divisors is an integer number (10312530670).

Almost surely, 2^20625061339 is an apocalyptic number.

20625061339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20625061339 is an equidigital number, since it uses as much as digits as its factorization.

20625061339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 20625061339 in words is "twenty billion, six hundred twenty-five million, sixty-one thousand, three hundred thirty-nine".