220105670 has 8 divisors (see below), whose sum is σ = 396190224. Its totient is φ = 88042264.

The previous prime is 220105667. The next prime is 220105687. The reversal of 220105670 is 76501022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220105670² = 96893011932297800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11005274 + ... + 11005293.

It is an arithmetic number, because the mean of its divisors is an integer number (49523778).

Almost surely, 2^220105670 is an apocalyptic number.

220105670 is a deficient number, since it is larger than the sum of its proper divisors (176084554).

220105670 is a wasteful number, since it uses less digits than its factorization.

220105670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22010574.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 220105670 is about 14835.9586815278. The cubic root of 220105670 is about 603.7777112077. Note that the first 4 decimals are identical.

Adding to 220105670 its reverse (76501022), we get a palindrome (296606692).

The spelling of 220105670 in words is "two hundred twenty million, one hundred five thousand, six hundred seventy".