5210020 has 24 divisors (see below), whose sum is σ = 10987704. Its totient is φ = 2075136.

The previous prime is 5210017. The next prime is 5210027. The reversal of 5210020 is 200125.

It can be written as a sum of positive squares in 4 ways, for example, as 20736 + 5189284 = 144^2 + 2278^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5209979 and 5210006.

It is not an unprimeable number, because it can be changed into a prime (5210027) 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, 6354 + ... + 7126.

It is an arithmetic number, because the mean of its divisors is an integer number (457821).

Almost surely, 2^5210020 is an apocalyptic number.

It is an amenable number.

5210020 is an abundant number, since it is smaller than the sum of its proper divisors (5777684).

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

5210020 is a wasteful number, since it uses less digits than its factorization.

5210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 5210020 is about 2282.5468231780. The cubic root of 5210020 is about 173.3590280778.

Adding to 5210020 its reverse (200125), we get a palindrome (5410145).

The spelling of 5210020 in words is "five million, two hundred ten thousand, twenty".