20204412 has 24 divisors (see below), whose sum is σ = 47228496. Its totient is φ = 6722688.

The previous prime is 20204411. The next prime is 20204413. The reversal of 20204412 is 21440202.

It is an interprime number because it is at equal distance from previous prime (20204411) and next prime (20204413).

It is a junction number, because it is equal to n+sod(n) for n = 20204391 and 20204400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204411) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 7648 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (1967854).

Almost surely, 2^20204412 is an apocalyptic number.

It is an amenable number.

20204412 is an abundant number, since it is smaller than the sum of its proper divisors (27024084).

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

20204412 is a wasteful number, since it uses less digits than its factorization.

20204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 3035 counting only the distinct ones).

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

The square root of 20204412 is about 4494.9318126085. The cubic root of 20204412 is about 272.3633947634.

Adding to 20204412 its reverse (21440202), we get a palindrome (41644614).

The spelling of 20204412 in words is "twenty million, two hundred four thousand, four hundred twelve".