20607425387 has 2 divisors, whose sum is σ = 20607425388. Its totient is φ = 20607425386.

The previous prime is 20607425369. The next prime is 20607425411. The reversal of 20607425387 is 78352470602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20607425387 - 2⁶ = 20607425323 is a prime.

It is not a weakly prime, because it can be changed into another prime (20607425357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10303712693 + 10303712694.

It is an arithmetic number, because the mean of its divisors is an integer number (10303712694).

Almost surely, 2^20607425387 is an apocalyptic number.

20607425387 is a deficient number, since it is larger than the sum of its proper divisors (1).

20607425387 is an equidigital number, since it uses as much as digits as its factorization.

20607425387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 44.

Adding to 20607425387 its reverse (78352470602), we get a palindrome (98959895989).

The spelling of 20607425387 in words is "twenty billion, six hundred seven million, four hundred twenty-five thousand, three hundred eighty-seven".