220006470 has 32 divisors (see below), whose sum is σ = 546225120. Its totient is φ = 56645120.

The previous prime is 220006439. The next prime is 220006481. The reversal of 220006470 is 74600022.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 125571 + ... + 127310.

It is an arithmetic number, because the mean of its divisors is an integer number (17069535).

Almost surely, 2^220006470 is an apocalyptic number.

220006470 is an abundant number, since it is smaller than the sum of its proper divisors (326218650).

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

220006470 is a wasteful number, since it uses less digits than its factorization.

220006470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252920.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 220006470 is about 14832.6150762433. The cubic root of 220006470 is about 603.6869915256.

Adding to 220006470 its reverse (74600022), we get a palindrome (294606492).

The spelling of 220006470 in words is "two hundred twenty million, six thousand, four hundred seventy".