20240412 has 12 divisors (see below), whose sum is σ = 47227656. Its totient is φ = 6746800.

The previous prime is 20240411. The next prime is 20240419. The reversal of 20240412 is 21404202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20240391 and 20240400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240411) 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, 843339 + ... + 843362.

It is an arithmetic number, because the mean of its divisors is an integer number (3935638).

Almost surely, 2^20240412 is an apocalyptic number.

It is an amenable number.

20240412 is an abundant number, since it is smaller than the sum of its proper divisors (26987244).

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

20240412 is a wasteful number, since it uses less digits than its factorization.

20240412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686708 (or 1686706 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20240412 is about 4498.9345405329. The cubic root of 20240412 is about 272.5250634860.

Adding to 20240412 its reverse (21404202), we get a palindrome (41644614).

The spelling of 20240412 in words is "twenty million, two hundred forty thousand, four hundred twelve".