20814106351 has 2 divisors, whose sum is σ = 20814106352. Its totient is φ = 20814106350.

The previous prime is 20814106333. The next prime is 20814106363. The reversal of 20814106351 is 15360141802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20814106351 - 2¹³ = 20814098159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20814106321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10407053175 + 10407053176.

It is an arithmetic number, because the mean of its divisors is an integer number (10407053176).

Almost surely, 2^20814106351 is an apocalyptic number.

20814106351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20814106351 is an equidigital number, since it uses as much as digits as its factorization.

20814106351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 20814106351 in words is "twenty billion, eight hundred fourteen million, one hundred six thousand, three hundred fifty-one".