20414666255 has 16 divisors (see below), whose sum is σ = 25616148480. Its totient is φ = 15589002528.

The previous prime is 20414666221. The next prime is 20414666273. The reversal of 20414666255 is 55266641402.

It is a cyclic number.

It is not a de Polignac number, because 20414666255 - 2¹⁰ = 20414665231 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, 130217 + ... + 240386.

It is an arithmetic number, because the mean of its divisors is an integer number (1601009280).

Almost surely, 2^20414666255 is an apocalyptic number.

20414666255 is a deficient number, since it is larger than the sum of its proper divisors (5201482225).

20414666255 is a wasteful number, since it uses less digits than its factorization.

20414666255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371110.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 20414666255 in words is "twenty billion, four hundred fourteen million, six hundred sixty-six thousand, two hundred fifty-five".