20480360 has 16 divisors (see below), whose sum is σ = 46080900. Its totient is φ = 8192128.

The previous prime is 20480353. The next prime is 20480363. The reversal of 20480360 is 6308402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18887716 + 1592644 = 4346^2 + 1262^2 .

It is not an unprimeable number, because it can be changed into a prime (20480363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255965 + ... + 256044.

Almost surely, 2^20480360 is an apocalyptic number.

20480360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20480360 is an abundant number, since it is smaller than the sum of its proper divisors (25600540).

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

20480360 is a wasteful number, since it uses less digits than its factorization.

20480360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512020 (or 512016 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20480360 is about 4525.5231741756. The cubic root of 20480360 is about 273.5977545613.

Adding to 20480360 its reverse (6308402), we get a palindrome (26788762).

The spelling of 20480360 in words is "twenty million, four hundred eighty thousand, three hundred sixty".