47204020 has 12 divisors (see below), whose sum is σ = 99128484. Its totient is φ = 18881600.

The previous prime is 47203991. The next prime is 47204021. The reversal of 47204020 is 2040274.

It can be written as a sum of positive squares in 2 ways, for example, as 15776784 + 31427236 = 3972^2 + 5606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47204021) 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, 1180081 + ... + 1180120.

It is an arithmetic number, because the mean of its divisors is an integer number (8260707).

Almost surely, 2^47204020 is an apocalyptic number.

It is an amenable number.

47204020 is an abundant number, since it is smaller than the sum of its proper divisors (51924464).

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

47204020 is a wasteful number, since it uses less digits than its factorization.

47204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360210 (or 2360208 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 47204020 is about 6870.5181755090. The cubic root of 47204020 is about 361.4040334810.

Adding to 47204020 its reverse (2040274), we get a palindrome (49244294).

The spelling of 47204020 in words is "forty-seven million, two hundred four thousand, twenty".