220135000 has 40 divisors (see below), whose sum is σ = 515788020. Its totient is φ = 88052000.

The previous prime is 220134997. The next prime is 220135021. The reversal of 220135000 is 531022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17014 + ... + 27013.

Almost surely, 2^220135000 is an apocalyptic number.

220135000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220135000 is an abundant number, since it is smaller than the sum of its proper divisors (295653020).

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

220135000 is an equidigital number, since it uses as much as digits as its factorization.

220135000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44053 (or 44034 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 220135000 is about 14836.9471253355. The cubic root of 220135000 is about 603.8045286507.

Adding to 220135000 its reverse (531022), we get a palindrome (220666022).

The spelling of 220135000 in words is "two hundred twenty million, one hundred thirty-five thousand".