20242312 has 8 divisors (see below), whose sum is σ = 37954350. Its totient is φ = 10121152.

The previous prime is 20242307. The next prime is 20242331. The reversal of 20242312 is 21324202.

It can be written as a sum of positive squares in only one way, i.e., 17023876 + 3218436 = 4126^2 + 1794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265137 + ... + 1265152.

Almost surely, 2^20242312 is an apocalyptic number.

It is an amenable number.

20242312 is a deficient number, since it is larger than the sum of its proper divisors (17712038).

20242312 is a wasteful number, since it uses less digits than its factorization.

20242312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530295 (or 2530291 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20242312 is about 4499.1456966851. The cubic root of 20242312 is about 272.5335906744.

Adding to 20242312 its reverse (21324202), we get a palindrome (41566514).

The spelling of 20242312 in words is "twenty million, two hundred forty-two thousand, three hundred twelve".