20412204 has 12 divisors (see below), whose sum is σ = 47628504. Its totient is φ = 6804064.

The previous prime is 20412193. The next prime is 20412209. The reversal of 20412204 is 40221402.

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

It is not an unprimeable number, because it can be changed into a prime (20412209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850497 + ... + 850520.

It is an arithmetic number, because the mean of its divisors is an integer number (3969042).

Almost surely, 2^20412204 is an apocalyptic number.

It is an amenable number.

20412204 is an abundant number, since it is smaller than the sum of its proper divisors (27216300).

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

20412204 is a wasteful number, since it uses less digits than its factorization.

20412204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701024 (or 1701022 counting only the distinct ones).

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

The square root of 20412204 is about 4517.9867197680. The cubic root of 20412204 is about 273.2939179069.

Adding to 20412204 its reverse (40221402), we get a palindrome (60633606).

The spelling of 20412204 in words is "twenty million, four hundred twelve thousand, two hundred four".