3630020 has 12 divisors (see below), whose sum is σ = 7623084. Its totient is φ = 1452000.

The previous prime is 3630019. The next prime is 3630037. The reversal of 3630020 is 200363.

It can be written as a sum of positive squares in 2 ways, for example, as 2869636 + 760384 = 1694^2 + 872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3629977 and 3630004.

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, 90731 + ... + 90770.

It is an arithmetic number, because the mean of its divisors is an integer number (635257).

Almost surely, 2^3630020 is an apocalyptic number.

It is an amenable number.

3630020 is an abundant number, since it is smaller than the sum of its proper divisors (3993064).

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

3630020 is a wasteful number, since it uses less digits than its factorization.

3630020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181510 (or 181508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3630020 is about 1905.2611369573. The cubic root of 3630020 is about 153.6867190614.

Adding to 3630020 its reverse (200363), we get a palindrome (3830383).

The spelling of 3630020 in words is "three million, six hundred thirty thousand, twenty".