20607425406 has 32 divisors (see below), whose sum is σ = 46545012000. Its totient is φ = 6756531840.

The previous prime is 20607425387. The next prime is 20607425411. The reversal of 20607425406 is 60452470602.

20607425406 is a `hidden beast` number, since 2 + 0 + 607 + 4 + 2 + 5 + 40 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3124731 + ... + 3131318.

It is an arithmetic number, because the mean of its divisors is an integer number (1454531625).

Almost surely, 2^20607425406 is an apocalyptic number.

20607425406 is an abundant number, since it is smaller than the sum of its proper divisors (25937586594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20607425406 is a wasteful number, since it uses less digits than its factorization.

20607425406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256121 (or 6256115 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 20607425406 in words is "twenty billion, six hundred seven million, four hundred twenty-five thousand, four hundred six".