30020829 has 8 divisors (see below), whose sum is σ = 41408160. Its totient is φ = 19323696.

The previous prime is 30020813. The next prime is 30020831. The reversal of 30020829 is 92802003.

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

It is not a de Polignac number, because 30020829 - 2⁴ = 30020813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30020799 and 30020808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020329) 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, 172447 + ... + 172620.

It is an arithmetic number, because the mean of its divisors is an integer number (5176020).

Almost surely, 2^30020829 is an apocalyptic number.

It is an amenable number.

30020829 is a deficient number, since it is larger than the sum of its proper divisors (11387331).

30020829 is a wasteful number, since it uses less digits than its factorization.

30020829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345099.

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

The square root of 30020829 is about 5479.1266639858. The cubic root of 30020829 is about 310.7951456767.

The spelling of 30020829 in words is "thirty million, twenty thousand, eight hundred twenty-nine".