20315048 has 32 divisors (see below), whose sum is σ = 41248200. Its totient is φ = 9324288.

The previous prime is 20315041. The next prime is 20315063. The reversal of 20315048 is 84051302.

It can be written as a sum of positive squares in 4 ways, for example, as 13853284 + 6461764 = 3722^2 + 2542^2 .

It is not an unprimeable number, because it can be changed into a prime (20315041) 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, 23390 + ... + 24242.

Almost surely, 2^20315048 is an apocalyptic number.

It is an amenable number.

20315048 is an abundant number, since it is smaller than the sum of its proper divisors (20933152).

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

20315048 is a wasteful number, since it uses less digits than its factorization.

20315048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20315048 is about 4507.2217606858. The cubic root of 20315048 is about 272.8596289819.

It can be divided in two parts, 203 and 15048, that added together give a palindrome (15251).

The spelling of 20315048 in words is "twenty million, three hundred fifteen thousand, forty-eight".