20425365356 has 24 divisors (see below), whose sum is σ = 39729617424. Its totient is φ = 9109081280.

The previous prime is 20425365319. The next prime is 20425365397. The reversal of 20425365356 is 65356352402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4377035 + ... + 4381698.

It is an arithmetic number, because the mean of its divisors is an integer number (1655400726).

Almost surely, 2^20425365356 is an apocalyptic number.

It is an amenable number.

20425365356 is a deficient number, since it is larger than the sum of its proper divisors (19304252068).

20425365356 is a wasteful number, since it uses less digits than its factorization.

20425365356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758801 (or 8758799 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 20425365356 in words is "twenty billion, four hundred twenty-five million, three hundred sixty-five thousand, three hundred fifty-six".