20066055 has 16 divisors (see below), whose sum is σ = 32231520. Its totient is φ = 10659968.

The previous prime is 20066047. The next prime is 20066063. The reversal of 20066055 is 55066002.

It is an interprime number because it is at equal distance from previous prime (20066047) and next prime (20066063).

It is a cyclic number.

It is not a de Polignac number, because 20066055 - 2³ = 20066047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (2014470).

Almost surely, 2^20066055 is an apocalyptic number.

20066055 is a deficient number, since it is larger than the sum of its proper divisors (12165465).

20066055 is a wasteful number, since it uses less digits than its factorization.

20066055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 20066055 is about 4479.5150407159. The cubic root of 20066055 is about 271.7402680291.

The spelling of 20066055 in words is "twenty million, sixty-six thousand, fifty-five".