30820034 has 8 divisors (see below), whose sum is σ = 52834368. Its totient is φ = 13208580.

The previous prime is 30820019. The next prime is 30820051. The reversal of 30820034 is 43002803.

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

It is a super-2 number, since 2×30820034² = 1899748991522312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30819988 and 30820015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100702 + ... + 1100729.

It is an arithmetic number, because the mean of its divisors is an integer number (6604296).

Almost surely, 2^30820034 is an apocalyptic number.

30820034 is a deficient number, since it is larger than the sum of its proper divisors (22014334).

30820034 is a wasteful number, since it uses less digits than its factorization.

30820034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201440.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30820034 is about 5551.5794149053. The cubic root of 30820034 is about 313.5289907707.

Adding to 30820034 its reverse (43002803), we get a palindrome (73822837).

The spelling of 30820034 in words is "thirty million, eight hundred twenty thousand, thirty-four".