20425365055 has 8 divisors (see below), whose sum is σ = 24603635232. Its totient is φ = 16278160608.

The previous prime is 20425365053. The next prime is 20425365061. The reversal of 20425365055 is 55056352402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20425365055 - 2¹ = 20425365053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425365053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764984 + ... + 7767613.

It is an arithmetic number, because the mean of its divisors is an integer number (3075454404).

Almost surely, 2^20425365055 is an apocalyptic number.

20425365055 is a deficient number, since it is larger than the sum of its proper divisors (4178270177).

20425365055 is a wasteful number, since it uses less digits than its factorization.

20425365055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532865.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 20425365055 in words is "twenty billion, four hundred twenty-five million, three hundred sixty-five thousand, fifty-five".