20354200151 has 2 divisors, whose sum is σ = 20354200152. Its totient is φ = 20354200150.

The previous prime is 20354200133. The next prime is 20354200157. The reversal of 20354200151 is 15100245302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20354200151 - 2¹⁴ = 20354183767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20354200157) 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, 10177100075 + 10177100076.

It is an arithmetic number, because the mean of its divisors is an integer number (10177100076).

Almost surely, 2^20354200151 is an apocalyptic number.

20354200151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20354200151 is an equidigital number, since it uses as much as digits as its factorization.

20354200151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20354200151 its reverse (15100245302), we get a palindrome (35454445453).

The spelling of 20354200151 in words is "twenty billion, three hundred fifty-four million, two hundred thousand, one hundred fifty-one".