20052036 has 60 divisors (see below), whose sum is σ = 52852800. Its totient is φ = 6629040.

The previous prime is 20052023. The next prime is 20052037. The reversal of 20052036 is 63025002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20052037) 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 19 ways as a sum of consecutive naturals, for example, 64321 + ... + 64631.

It is an arithmetic number, because the mean of its divisors is an integer number (880880).

Almost surely, 2^20052036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20052036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26426400).

20052036 is an abundant number, since it is smaller than the sum of its proper divisors (32800764).

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

20052036 is a wasteful number, since it uses less digits than its factorization.

20052036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20052036 is about 4477.9499773892. The cubic root of 20052036 is about 271.6769701806.

Adding to 20052036 its reverse (63025002), we get a palindrome (83077038).

The spelling of 20052036 in words is "twenty million, fifty-two thousand, thirty-six".