20034834 has 16 divisors (see below), whose sum is σ = 41153088. Its totient is φ = 6497712.

The previous prime is 20034811. The next prime is 20034841. The reversal of 20034834 is 43843002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44902 + ... + 45345.

It is an arithmetic number, because the mean of its divisors is an integer number (2572068).

Almost surely, 2^20034834 is an apocalyptic number.

20034834 is an abundant number, since it is smaller than the sum of its proper divisors (21118254).

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

20034834 is a wasteful number, since it uses less digits than its factorization.

20034834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90289.

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

The square root of 20034834 is about 4476.0288202826. The cubic root of 20034834 is about 271.5992602952.

Adding to 20034834 its reverse (43843002), we get a palindrome (63877836).

The spelling of 20034834 in words is "twenty million, thirty-four thousand, eight hundred thirty-four".