220001082 has 48 divisors (see below), whose sum is σ = 513853632. Its totient is φ = 62610240.

The previous prime is 220001059. The next prime is 220001113. The reversal of 220001082 is 280100022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81283 + ... + 83945.

It is an arithmetic number, because the mean of its divisors is an integer number (10705284).

Almost surely, 2^220001082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220001082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256926816).

220001082 is an abundant number, since it is smaller than the sum of its proper divisors (293852550).

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

220001082 is a wasteful number, since it uses less digits than its factorization.

220001082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963 (or 2956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 220001082 is about 14832.4334483590. The cubic root of 220001082 is about 603.6820633492.

The spelling of 220001082 in words is "two hundred twenty million, one thousand, eighty-two".