220001132 has 12 divisors (see below), whose sum is σ = 414617616. Its totient is φ = 101538960.

The previous prime is 220001113. The next prime is 220001137. The reversal of 220001132 is 231100022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220001137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115344 + ... + 2115447.

It is an arithmetic number, because the mean of its divisors is an integer number (34551468).

Almost surely, 2^220001132 is an apocalyptic number.

It is an amenable number.

220001132 is a deficient number, since it is larger than the sum of its proper divisors (194616484).

220001132 is a wasteful number, since it uses less digits than its factorization.

220001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230808 (or 4230806 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 220001132 is about 14832.4351338545. The cubic root of 220001132 is about 603.6821090825.

Adding to 220001132 its reverse (231100022), we get a palindrome (451101154).

It can be divided in two parts, 22000 and 1132, that added together give a palindrome (23132).

The spelling of 220001132 in words is "two hundred twenty million, one thousand, one hundred thirty-two".