20041629 has 4 divisors (see below), whose sum is σ = 26722176. Its totient is φ = 13361084.

The previous prime is 20041627. The next prime is 20041633. The reversal of 20041629 is 92614002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20041629 - 2¹ = 20041627 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20041599 and 20041608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340269 + ... + 3340274.

It is an arithmetic number, because the mean of its divisors is an integer number (6680544).

Almost surely, 2^20041629 is an apocalyptic number.

It is an amenable number.

20041629 is a deficient number, since it is larger than the sum of its proper divisors (6680547).

20041629 is an equidigital number, since it uses as much as digits as its factorization.

20041629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680546.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20041629 is about 4476.7877993043. The cubic root of 20041629 is about 271.6299619616.

The spelling of 20041629 in words is "twenty million, forty-one thousand, six hundred twenty-nine".