20082149 has 2 divisors, whose sum is σ = 20082150. Its totient is φ = 20082148.

The previous prime is 20082109. The next prime is 20082163. The reversal of 20082149 is 94128002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19936225 + 145924 = 4465^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 20082149 - 2¹² = 20078053 is a prime.

It is equal to p_1275515 and since 20082149 and 1275515 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20082109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041074 + 10041075.

It is an arithmetic number, because the mean of its divisors is an integer number (10041075).

Almost surely, 2^20082149 is an apocalyptic number.

It is an amenable number.

20082149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20082149 is an equidigital number, since it uses as much as digits as its factorization.

20082149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 20082149 is about 4481.3110804763. The cubic root of 20082149 is about 271.8128984684.

The spelling of 20082149 in words is "twenty million, eighty-two thousand, one hundred forty-nine".