5000020020 has 72 divisors (see below), whose sum is σ = 15250620840. Its totient is φ = 1325963520.

The previous prime is 5000020009. The next prime is 5000020021. The reversal of 5000020020 is 200200005.

It can be written as a sum of positive squares in 4 ways, for example, as 381186576 + 4618833444 = 19524^2 + 67962^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

5000020020 is a modest number, since divided by 20020 gives 5000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 5000019984 and 5000020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000020021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44155 + ... + 109314.

Almost surely, 2^5000020020 is an apocalyptic number.

It is an amenable number.

5000020020 is an abundant number, since it is smaller than the sum of its proper divisors (10250600820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5000020020 is a wasteful number, since it uses less digits than its factorization.

5000020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153665 (or 153660 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 5000020020 is about 70710.8196812906. The cubic root of 5000020020 is about 1709.9782289215.

Adding to 5000020020 its reverse (200200005), we get a palindrome (5200220025).

The spelling of 5000020020 in words is "five billion, twenty thousand, twenty".