20240312 has 8 divisors (see below), whose sum is σ = 37950600. Its totient is φ = 10120152.

The previous prime is 20240293. The next prime is 20240323. The reversal of 20240312 is 21304202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265012 + ... + 1265027.

It is an arithmetic number, because the mean of its divisors is an integer number (4743825).

Almost surely, 2^20240312 is an apocalyptic number.

It is an amenable number.

20240312 is a deficient number, since it is larger than the sum of its proper divisors (17710288).

20240312 is a wasteful number, since it uses less digits than its factorization.

20240312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530045 (or 2530041 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20240312 is about 4498.9234267767. The cubic root of 20240312 is about 272.5246146718.

Adding to 20240312 its reverse (21304202), we get a palindrome (41544514).

The spelling of 20240312 in words is "twenty million, two hundred forty thousand, three hundred twelve".