20129301 has 24 divisors (see below), whose sum is σ = 31000320. Its totient is φ = 12556896.

The previous prime is 20129287. The next prime is 20129311. The reversal of 20129301 is 10392102.

It is a happy number.

It is not a de Polignac number, because 20129301 - 2⁵ = 20129269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20129311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8695 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (1291680).

Almost surely, 2^20129301 is an apocalyptic number.

It is an amenable number.

20129301 is a deficient number, since it is larger than the sum of its proper divisors (10871019).

20129301 is a wasteful number, since it uses less digits than its factorization.

20129301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20129301 is about 4486.5689563407. The cubic root of 20129301 is about 272.0254670863.

The spelling of 20129301 in words is "twenty million, one hundred twenty-nine thousand, three hundred one".