20020360 has 16 divisors (see below), whose sum is σ = 45045900. Its totient is φ = 8008128.

The previous prime is 20020333. The next prime is 20020387. The reversal of 20020360 is 6302002.

It is an interprime number because it is at equal distance from previous prime (20020333) and next prime (20020387).

It can be written as a sum of positive squares in 2 ways, for example, as 18992164 + 1028196 = 4358^2 + 1014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20020360.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250215 + ... + 250294.

Almost surely, 2^20020360 is an apocalyptic number.

20020360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020360 is an abundant number, since it is smaller than the sum of its proper divisors (25025540).

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

20020360 is a wasteful number, since it uses less digits than its factorization.

20020360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500520 (or 500516 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20020360 is about 4474.4116931726. The cubic root of 20020360 is about 271.5338396592.

Adding to 20020360 its reverse (6302002), we get a palindrome (26322362).

The spelling of 20020360 in words is "twenty million, twenty thousand, three hundred sixty".