20434035 has 16 divisors (see below), whose sum is σ = 32947200. Its totient is φ = 10813920.

The previous prime is 20433989. The next prime is 20434069. The reversal of 20434035 is 53043402.

It is a happy number.

It is not a de Polignac number, because 20434035 - 2⁶ = 20433971 is a prime.

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, 3235 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (2059200).

Almost surely, 2^20434035 is an apocalyptic number.

20434035 is a deficient number, since it is larger than the sum of its proper divisors (12513165).

20434035 is a wasteful number, since it uses less digits than its factorization.

20434035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20434035 is about 4520.4020838859. The cubic root of 20434035 is about 273.3913131350.

Adding to 20434035 its reverse (53043402), we get a palindrome (73477437).

The spelling of 20434035 in words is "twenty million, four hundred thirty-four thousand, thirty-five".