20052436 has 12 divisors (see below), whose sum is σ = 35195328. Its totient is φ = 9996632.

The previous prime is 20052421. The next prime is 20052437. The reversal of 20052436 is 63425002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052437) 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, 5836 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (2932944).

Almost surely, 2^20052436 is an apocalyptic number.

It is an amenable number.

20052436 is a deficient number, since it is larger than the sum of its proper divisors (15142892).

20052436 is a wasteful number, since it uses less digits than its factorization.

20052436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798 (or 14796 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20052436 is about 4477.9946404613. The cubic root of 20052436 is about 271.6787766483.

Adding to 20052436 its reverse (63425002), we get a palindrome (83477438).

The spelling of 20052436 in words is "twenty million, fifty-two thousand, four hundred thirty-six".