20255514427 has 2 divisors, whose sum is σ = 20255514428. Its totient is φ = 20255514426.

The previous prime is 20255514373. The next prime is 20255514431. The reversal of 20255514427 is 72441555202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20255514427 - 2³¹ = 18108030779 is a prime.

It is not a weakly prime, because it can be changed into another prime (20255514497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10127757213 + 10127757214.

It is an arithmetic number, because the mean of its divisors is an integer number (10127757214).

Almost surely, 2^20255514427 is an apocalyptic number.

20255514427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20255514427 is an equidigital number, since it uses as much as digits as its factorization.

20255514427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112000, while the sum is 37.

The spelling of 20255514427 in words is "twenty billion, two hundred fifty-five million, five hundred fourteen thousand, four hundred twenty-seven".