20200004 has 12 divisors (see below), whose sum is σ = 38563728. Its totient is φ = 9181800.

The previous prime is 20199973. The next prime is 20200013. The reversal of 20200004 is 40000202.

It is a junction number, because it is equal to n+sod(n) for n = 20199964 and 20200000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229502 + ... + 229589.

It is an arithmetic number, because the mean of its divisors is an integer number (3213644).

Almost surely, 2^20200004 is an apocalyptic number.

It is an amenable number.

20200004 is a deficient number, since it is larger than the sum of its proper divisors (18363724).

20200004 is a wasteful number, since it uses less digits than its factorization.

20200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459106 (or 459104 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 20200004 is about 4494.4414558430. The cubic root of 20200004 is about 272.3435861334.

Adding to 20200004 its reverse (40000202), we get a palindrome (60200206).

The spelling of 20200004 in words is "twenty million, two hundred thousand, four".