52000020004 has 6 divisors (see below), whose sum is σ = 91000035014. Its totient is φ = 26000010000.

The previous prime is 52000019987. The next prime is 52000020029. The reversal of 52000020004 is 40002000025.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44150414400 + 7849605604 = 210120^2 + 88598^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500002497 + ... + 6500002504.

Almost surely, 2^52000020004 is an apocalyptic number.

It is an amenable number.

52000020004 is a deficient number, since it is larger than the sum of its proper divisors (39000015010).

52000020004 is a wasteful number, since it uses less digits than its factorization.

52000020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000005005 (or 13000005003 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

Adding to 52000020004 its reverse (40002000025), we get a palindrome (92002020029).

The spelling of 52000020004 in words is "fifty-two billion, twenty thousand, four".