20050829 has 2 divisors, whose sum is σ = 20050830. Its totient is φ = 20050828.

The previous prime is 20050819. The next prime is 20050843. The reversal of 20050829 is 92805002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 6375625 = 3698^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 20050829 - 2⁴ = 20050813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20050798 and 20050807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20050819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025414 + 10025415.

It is an arithmetic number, because the mean of its divisors is an integer number (10025415).

Almost surely, 2^20050829 is an apocalyptic number.

It is an amenable number.

20050829 is a deficient number, since it is larger than the sum of its proper divisors (1).

20050829 is an equidigital number, since it uses as much as digits as its factorization.

20050829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 20050829 is about 4477.8152038690. The cubic root of 20050829 is about 271.6715190187.

The spelling of 20050829 in words is "twenty million, fifty thousand, eight hundred twenty-nine".