20333434 has 16 divisors (see below), whose sum is σ = 33501600. Its totient is φ = 9178960.

The previous prime is 20333407. The next prime is 20333459. The reversal of 20333434 is 43433302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 177 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (2093850).

Almost surely, 2^20333434 is an apocalyptic number.

20333434 is a deficient number, since it is larger than the sum of its proper divisors (13168166).

20333434 is a wasteful number, since it uses less digits than its factorization.

20333434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 20333434 is about 4509.2609150503. The cubic root of 20333434 is about 272.9419207626.

Adding to 20333434 its reverse (43433302), we get a palindrome (63766736).

The spelling of 20333434 in words is "twenty million, three hundred thirty-three thousand, four hundred thirty-four".