20150560 has 24 divisors (see below), whose sum is σ = 47606076. Its totient is φ = 8060160.

The previous prime is 20150513. The next prime is 20150569. The reversal of 20150560 is 6505102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18905104 + 1245456 = 4348^2 + 1116^2 .

It is not an unprimeable number, because it can be changed into a prime (20150569) by changing a digit.

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, 62811 + ... + 63130.

Almost surely, 2^20150560 is an apocalyptic number.

20150560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20150560 is an abundant number, since it is smaller than the sum of its proper divisors (27455516).

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

20150560 is a wasteful number, since it uses less digits than its factorization.

20150560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125956 (or 125948 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 20150560 is about 4488.9375134880. The cubic root of 20150560 is about 272.1211974307.

Adding to 20150560 its reverse (6505102), we get a palindrome (26655662).

The spelling of 20150560 in words is "twenty million, one hundred fifty thousand, five hundred sixty".