20103142000247 has 2 divisors, whose sum is σ = 20103142000248. Its totient is φ = 20103142000246.

The previous prime is 20103142000243. The next prime is 20103142000307. The reversal of 20103142000247 is 74200024130102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20103142000247 - 2² = 20103142000243 is a prime.

It is a super-2 number, since 2×20103142000247² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20103142000243) 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, 10051571000123 + 10051571000124.

It is an arithmetic number, because the mean of its divisors is an integer number (10051571000124).

Almost surely, 2^{20103142000247} is an apocalyptic number.

20103142000247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103142000247 is an equidigital number, since it uses as much as digits as its factorization.

20103142000247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 20103142000247 its reverse (74200024130102), we get a palindrome (94303166130349).

The spelling of 20103142000247 in words is "twenty trillion, one hundred three billion, one hundred forty-two million, two hundred forty-seven", and thus it is an aban number.