20834034 has 32 divisors (see below), whose sum is σ = 46092480. Its totient is φ = 6236352.

The previous prime is 20834029. The next prime is 20834063. The reversal of 20834034 is 43043802.

It is a junction number, because it is equal to n+sod(n) for n = 20833995 and 20834013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724 + ... + 6495.

It is an arithmetic number, because the mean of its divisors is an integer number (1440390).

Almost surely, 2^20834034 is an apocalyptic number.

20834034 is an abundant number, since it is smaller than the sum of its proper divisors (25258446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20834034 is a wasteful number, since it uses less digits than its factorization.

20834034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20834034 is about 4564.4313994188. The cubic root of 20834034 is about 275.1636887738.

Adding to 20834034 its reverse (43043802), we get a palindrome (63877836).

The spelling of 20834034 in words is "twenty million, eight hundred thirty-four thousand, thirty-four".