20154126283 has 2 divisors, whose sum is σ = 20154126284. Its totient is φ = 20154126282.

The previous prime is 20154126281. The next prime is 20154126313. The reversal of 20154126283 is 38262145102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20154126283 - 2¹ = 20154126281 is a prime.

It is a super-2 number, since 2×20154126283² (a number of 21 digits) contains 22 as substring.

Together with 20154126281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20154126281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077063141 + 10077063142.

It is an arithmetic number, because the mean of its divisors is an integer number (10077063142).

Almost surely, 2^20154126283 is an apocalyptic number.

20154126283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20154126283 is an equidigital number, since it uses as much as digits as its factorization.

20154126283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 20154126283 in words is "twenty billion, one hundred fifty-four million, one hundred twenty-six thousand, two hundred eighty-three".