20043412 has 12 divisors (see below), whose sum is σ = 35182420. Its totient is φ = 9991296.

The previous prime is 20043409. The next prime is 20043433. The reversal of 20043412 is 21434002.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 15007876 = 2244^2 + 3874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6087 + ... + 8782.

Almost surely, 2^20043412 is an apocalyptic number.

It is an amenable number.

20043412 is a deficient number, since it is larger than the sum of its proper divisors (15139008).

20043412 is a wasteful number, since it uses less digits than its factorization.

20043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15210 (or 15208 counting only the distinct ones).

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

The square root of 20043412 is about 4476.9869331951. The cubic root of 20043412 is about 271.6380168933.

Adding to 20043412 its reverse (21434002), we get a palindrome (41477414).

The spelling of 20043412 in words is "twenty million, forty-three thousand, four hundred twelve".