220070 has 16 divisors (see below), whose sum is σ = 403920. Its totient is φ = 86304.

The previous prime is 220063. The next prime is 220123. The reversal of 220070 is 70022.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220070.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 404 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (25245).

2²²⁰⁰⁷⁰ is an apocalyptic number.

220070 is a deficient number, since it is larger than the sum of its proper divisors (183850).

220070 is a wasteful number, since it uses less digits than its factorization.

220070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 220070 is about 469.1161902983. The cubic root of 220070 is about 60.3745093671.

Adding to 220070 its reverse (70022), we get a palindrome (290092).

The spelling of 220070 in words is "two hundred twenty thousand, seventy", and thus it is an iban number.