20941129 has 8 divisors (see below), whose sum is σ = 23376672. Its totient is φ = 18594240.

The previous prime is 20941091. The next prime is 20941163. The reversal of 20941129 is 92114902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20941129 - 2¹³ = 20932937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20941097 and 20941106.

It is not an unprimeable number, because it can be changed into a prime (20941169) 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 7 ways as a sum of consecutive naturals, for example, 21664 + ... + 22609.

It is an arithmetic number, because the mean of its divisors is an integer number (2922084).

Almost surely, 2^20941129 is an apocalyptic number.

It is an amenable number.

20941129 is a deficient number, since it is larger than the sum of its proper divisors (2435543).

20941129 is a wasteful number, since it uses less digits than its factorization.

20941129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44327.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 20941129 is about 4576.1478341505. The cubic root of 20941129 is about 275.6343658323.

It can be divided in two parts, 2094 and 1129, that added together give a palindrome (3223).

The spelling of 20941129 in words is "twenty million, nine hundred forty-one thousand, one hundred twenty-nine".