20200536 has 64 divisors (see below), whose sum is σ = 57506400. Its totient is φ = 6566400.

The previous prime is 20200529. The next prime is 20200547. The reversal of 20200536 is 63500202.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7716 + ... + 9996.

Almost surely, 2^20200536 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 20200536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28753200).

20200536 is an abundant number, since it is smaller than the sum of its proper divisors (37305864).

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

20200536 is a wasteful number, since it uses less digits than its factorization.

20200536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2327 counting only the distinct ones).

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

The square root of 20200536 is about 4494.5006396707. The cubic root of 20200536 is about 272.3459769830.

Adding to 20200536 its reverse (63500202), we get a palindrome (83700738).

It can be divided in two parts, 20200 and 536, that added together give a 4-th power (20736 = 12⁴).

The spelling of 20200536 in words is "twenty million, two hundred thousand, five hundred thirty-six".