220603136 has 54 divisors (see below), whose sum is σ = 476916300. Its totient is φ = 101796864.

The previous prime is 220603133. The next prime is 220603151. The reversal of 220603136 is 631306022.

It is a super-2 number, since 2×220603136² = 97331487226068992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220603133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40715 + ... + 45813.

Almost surely, 2^220603136 is an apocalyptic number.

220603136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220603136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238458150).

220603136 is an abundant number, since it is smaller than the sum of its proper divisors (256313164).

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

220603136 is an equidigital number, since it uses as much as digits as its factorization.

220603136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 220603136 is about 14852.7147686879. The cubic root of 220603136 is about 604.2322396832.

Adding to 220603136 its reverse (631306022), we get a palindrome (851909158).

The spelling of 220603136 in words is "two hundred twenty million, six hundred three thousand, one hundred thirty-six".