220001012 has 48 divisors (see below), whose sum is σ = 508249728. Its totient is φ = 80670720.

The previous prime is 220000997. The next prime is 220001027. The reversal of 220001012 is 210100022.

It is an interprime number because it is at equal distance from previous prime (220000997) and next prime (220001027).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15773 + ... + 26244.

It is an arithmetic number, because the mean of its divisors is an integer number (10588536).

Almost surely, 2^220001012 is an apocalyptic number.

220001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220001012 is an abundant number, since it is smaller than the sum of its proper divisors (288248716).

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

220001012 is a wasteful number, since it uses less digits than its factorization.

220001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42056 (or 42054 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 220001012 is about 14832.4310886651. The cubic root of 220001012 is about 603.6819993227.

Adding to 220001012 its reverse (210100022), we get a palindrome (430101034).

It can be divided in two parts, 2200010 and 12, that added together give a palindrome (2200022).

The spelling of 220001012 in words is "two hundred twenty million, one thousand, twelve".