20334004 has 24 divisors (see below), whose sum is σ = 36550080. Its totient is φ = 9895104.

The previous prime is 20333993. The next prime is 20334007. The reversal of 20334004 is 40043302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23817 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (1522920).

Almost surely, 2^20334004 is an apocalyptic number.

It is an amenable number.

20334004 is a deficient number, since it is larger than the sum of its proper divisors (16216076).

20334004 is a wasteful number, since it uses less digits than its factorization.

20334004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20334004 is about 4509.3241178696. The cubic root of 20334004 is about 272.9444711670.

Adding to 20334004 its reverse (40043302), we get a palindrome (60377306).

The spelling of 20334004 in words is "twenty million, three hundred thirty-four thousand, four".