220535004 has 24 divisors (see below), whose sum is σ = 515038608. Its totient is φ = 73446400.

The previous prime is 220534997. The next prime is 220535011. The reversal of 220535004 is 400535022.

It is an interprime number because it is at equal distance from previous prime (220534997) and next prime (220535011).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7054 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (21459942).

Almost surely, 2^220535004 is an apocalyptic number.

It is an amenable number.

220535004 is an abundant number, since it is smaller than the sum of its proper divisors (294503604).

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

220535004 is a wasteful number, since it uses less digits than its factorization.

220535004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325 (or 16323 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 220535004 is about 14850.4210041332. The cubic root of 220535004 is about 604.1700287365.

The spelling of 220535004 in words is "two hundred twenty million, five hundred thirty-five thousand, four".