220531035 has 16 divisors (see below), whose sum is σ = 353111040. Its totient is φ = 117529440.

The previous prime is 220531027. The next prime is 220531037. The reversal of 220531035 is 530135022.

It is not a de Polignac number, because 220531035 - 2³ = 220531027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220531037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19030 + ... + 28340.

It is an arithmetic number, because the mean of its divisors is an integer number (22069440).

Almost surely, 2^220531035 is an apocalyptic number.

220531035 is a deficient number, since it is larger than the sum of its proper divisors (132580005).

220531035 is a wasteful number, since it uses less digits than its factorization.

220531035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 220531035 is about 14850.2873709568. The cubic root of 220531035 is about 604.1664042699.

Adding to 220531035 its reverse (530135022), we get a palindrome (750666057).

The spelling of 220531035 in words is "two hundred twenty million, five hundred thirty-one thousand, thirty-five".