20255067 has 12 divisors (see below), whose sum is σ = 33437040. Its totient is φ = 11574288.

The previous prime is 20255057. The next prime is 20255077. The reversal of 20255067 is 76055202.

It is an interprime number because it is at equal distance from previous prime (20255057) and next prime (20255077).

It is not a de Polignac number, because 20255067 - 2⁶ = 20255003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20255067.

It is not an unprimeable number, because it can be changed into a prime (20255017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160692 + ... + 160817.

It is an arithmetic number, because the mean of its divisors is an integer number (2786420).

Almost surely, 2^20255067 is an apocalyptic number.

20255067 is a deficient number, since it is larger than the sum of its proper divisors (13181973).

20255067 is a wasteful number, since it uses less digits than its factorization.

20255067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321522 (or 321519 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 20255067 is about 4500.5629647856. The cubic root of 20255067 is about 272.5908212265.

The spelling of 20255067 in words is "twenty million, two hundred fifty-five thousand, sixty-seven".