20255527 has 2 divisors, whose sum is σ = 20255528. Its totient is φ = 20255526.

The previous prime is 20255513. The next prime is 20255533. The reversal of 20255527 is 72555202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20255527 - 2⁷ = 20255399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20255495 and 20255504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20255567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10127763 + 10127764.

It is an arithmetic number, because the mean of its divisors is an integer number (10127764).

Almost surely, 2^20255527 is an apocalyptic number.

20255527 is a deficient number, since it is larger than the sum of its proper divisors (1).

20255527 is an equidigital number, since it uses as much as digits as its factorization.

20255527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 20255527 is about 4500.6140692132. The cubic root of 20255527 is about 272.5928847567.

The spelling of 20255527 in words is "twenty million, two hundred fifty-five thousand, five hundred twenty-seven".