2000020004 has 12 divisors (see below), whose sum is σ = 3504568284. Its totient is φ = 998714784.

The previous prime is 2000019979. The next prime is 2000020007. The reversal of 2000020004 is 4000200002.

It can be written as a sum of positive squares in 2 ways, for example, as 593019904 + 1407000100 = 24352^2 + 37510^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2000019973 and 2000020000.

It is not an unprimeable number, because it can be changed into a prime (2000020007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320327 + ... + 326510.

It is an arithmetic number, because the mean of its divisors is an integer number (292047357).

Almost surely, 2^2000020004 is an apocalyptic number.

It is an amenable number.

2000020004 is a deficient number, since it is larger than the sum of its proper divisors (1504548280).

2000020004 is a wasteful number, since it uses less digits than its factorization.

2000020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647614 (or 647612 counting only the distinct ones).

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

The square root of 2000020004 is about 44721.5832009557. The cubic root of 2000020004 is about 1259.9252504576.

Adding to 2000020004 its reverse (4000200002), we get a palindrome (6000220006).

It can be divided in two parts, 20000 and 20004, that added together give a palindrome (40004).

The spelling of 2000020004 in words is "two billion, twenty thousand, four".