20034404 has 24 divisors (see below), whose sum is σ = 38682168. Its totient is φ = 9020160.

The previous prime is 20034397. The next prime is 20034433. The reversal of 20034404 is 40443002.

It can be written as a sum of positive squares in 4 ways, for example, as 3648100 + 16386304 = 1910^2 + 4048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (1611757).

Almost surely, 2^20034404 is an apocalyptic number.

It is an amenable number.

20034404 is a deficient number, since it is larger than the sum of its proper divisors (18647764).

20034404 is a wasteful number, since it uses less digits than its factorization.

20034404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455 (or 9453 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20034404 is about 4475.9807863752. The cubic root of 20034404 is about 271.5973172041.

Adding to 20034404 its reverse (40443002), we get a palindrome (60477406).

The spelling of 20034404 in words is "twenty million, thirty-four thousand, four hundred four".