20356453151 has 2 divisors, whose sum is σ = 20356453152. Its totient is φ = 20356453150.

The previous prime is 20356453079. The next prime is 20356453181. The reversal of 20356453151 is 15135465302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20356453151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20356453181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10178226575 + 10178226576.

It is an arithmetic number, because the mean of its divisors is an integer number (10178226576).

Almost surely, 2^20356453151 is an apocalyptic number.

20356453151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20356453151 is an equidigital number, since it uses as much as digits as its factorization.

20356453151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 20356453151 in words is "twenty billion, three hundred fifty-six million, four hundred fifty-three thousand, one hundred fifty-one".