36603220 has 48 divisors (see below), whose sum is σ = 80156160. Its totient is φ = 14023296.

The previous prime is 36603211. The next prime is 36603223. The reversal of 36603220 is 2230663.

It is a junction number, because it is equal to n+sod(n) for n = 36603191 and 36603200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36603223) 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 15 ways as a sum of consecutive naturals, for example, 129199 + ... + 129481.

It is an arithmetic number, because the mean of its divisors is an integer number (1669920).

Almost surely, 2^36603220 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 36603220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40078080).

36603220 is an abundant number, since it is smaller than the sum of its proper divisors (43552940).

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

36603220 is a wasteful number, since it uses less digits than its factorization.

36603220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 36603220 is about 6050.0595038396. The cubic root of 36603220 is about 332.0267675713.

Adding to 36603220 its reverse (2230663), we get a palindrome (38833883).

The spelling of 36603220 in words is "thirty-six million, six hundred three thousand, two hundred twenty".