220131070 has 16 divisors (see below), whose sum is σ = 396618768. Its totient is φ = 87967360.

The previous prime is 220131049. The next prime is 220131071. The reversal of 220131070 is 70131022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822 + ... + 20998.

It is an arithmetic number, because the mean of its divisors is an integer number (24788673).

Almost surely, 2^220131070 is an apocalyptic number.

220131070 is a deficient number, since it is larger than the sum of its proper divisors (176487698).

220131070 is a wasteful number, since it uses less digits than its factorization.

220131070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21275.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 220131070 is about 14836.8146851000. The cubic root of 220131070 is about 603.8009354527.

Adding to 220131070 its reverse (70131022), we get a palindrome (290262092).

The spelling of 220131070 in words is "two hundred twenty million, one hundred thirty-one thousand, seventy".