20675055 has 8 divisors (see below), whose sum is σ = 33080112. Its totient is φ = 11026688.

The previous prime is 20675041. The next prime is 20675063. The reversal of 20675055 is 55057602.

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 20675055 - 2⁵ = 20675023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689154 + ... + 689183.

It is an arithmetic number, because the mean of its divisors is an integer number (4135014).

Almost surely, 2^20675055 is an apocalyptic number.

20675055 is a deficient number, since it is larger than the sum of its proper divisors (12405057).

20675055 is a wasteful number, since it uses less digits than its factorization.

20675055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378345.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 20675055 is about 4546.9830657261. The cubic root of 20675055 is about 274.4620005063.

The spelling of 20675055 in words is "twenty million, six hundred seventy-five thousand, fifty-five".