20960829 has 8 divisors (see below), whose sum is σ = 31053120. Its totient is φ = 13973868.

The previous prime is 20960803. The next prime is 20960831. The reversal of 20960829 is 92806902.

20960829 is a `hidden beast` number, since 20 + 9 + 608 + 29 = 666.

It is not a de Polignac number, because 20960829 - 2⁷ = 20960701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20960793 and 20960802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20960879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388137 + ... + 388190.

It is an arithmetic number, because the mean of its divisors is an integer number (3881640).

Almost surely, 2^20960829 is an apocalyptic number.

It is an amenable number.

20960829 is a deficient number, since it is larger than the sum of its proper divisors (10092291).

20960829 is an equidigital number, since it uses as much as digits as its factorization.

20960829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776336 (or 776330 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 20960829 is about 4578.2997935915. The cubic root of 20960829 is about 275.7207714757.

The spelling of 20960829 in words is "twenty million, nine hundred sixty thousand, eight hundred twenty-nine".