20366151 has 32 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 12015744.

The previous prime is 20366147. The next prime is 20366161. The reversal of 20366151 is 15166302.

It is not a de Polignac number, because 20366151 - 2² = 20366147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366111) 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 in 31 ways as a sum of consecutive naturals, for example, 121870 + ... + 122036.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^20366151 is an apocalyptic number.

20366151 is a deficient number, since it is larger than the sum of its proper divisors (10115769).

20366151 is a wasteful number, since it uses less digits than its factorization.

20366151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20366151 is about 4512.8872133037. The cubic root of 20366151 is about 273.0882324260.

The spelling of 20366151 in words is "twenty million, three hundred sixty-six thousand, one hundred fifty-one".