20077466742427 has 2 divisors, whose sum is σ = 20077466742428. Its totient is φ = 20077466742426.

The previous prime is 20077466742383. The next prime is 20077466742449. The reversal of 20077466742427 is 72424766477002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20077466742427 - 2²⁷ = 20077332524699 is a prime.

It is not a weakly prime, because it can be changed into another prime (20077466142427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10038733371213 + 10038733371214.

It is an arithmetic number, because the mean of its divisors is an integer number (10038733371214).

Almost surely, 2^{20077466742427} is an apocalyptic number.

20077466742427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20077466742427 is an equidigital number, since it uses as much as digits as its factorization.

20077466742427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44255232, while the sum is 58.

The spelling of 20077466742427 in words is "twenty trillion, seventy-seven billion, four hundred sixty-six million, seven hundred forty-two thousand, four hundred twenty-seven".