20100151 has 2 divisors, whose sum is σ = 20100152. Its totient is φ = 20100150.

The previous prime is 20100149. The next prime is 20100167. The reversal of 20100151 is 15100102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20100151 - 2¹ = 20100149 is a prime.

Together with 20100149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050075 + 10050076.

It is an arithmetic number, because the mean of its divisors is an integer number (10050076).

Almost surely, 2^20100151 is an apocalyptic number.

20100151 is the 2836-th centered pentagonal number.

20100151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100151 is an equidigital number, since it uses as much as digits as its factorization.

20100151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 20100151 is about 4483.3191945254. The cubic root of 20100151 is about 271.8940935373.

Adding to 20100151 its reverse (15100102), we get a palindrome (35200253).

The spelling of 20100151 in words is "twenty million, one hundred thousand, one hundred fifty-one".