20425607 has 2 divisors, whose sum is σ = 20425608. Its totient is φ = 20425606.

The previous prime is 20425597. The next prime is 20425637. The reversal of 20425607 is 70652402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20425607 - 2¹⁴ = 20409223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20425637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212803 + 10212804.

It is an arithmetic number, because the mean of its divisors is an integer number (10212804).

Almost surely, 2^20425607 is an apocalyptic number.

20425607 is a deficient number, since it is larger than the sum of its proper divisors (1).

20425607 is an equidigital number, since it uses as much as digits as its factorization.

20425607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20425607 is about 4519.4697697849. The cubic root of 20425607 is about 273.3537212963.

The spelling of 20425607 in words is "twenty million, four hundred twenty-five thousand, six hundred seven".