220012002 has 24 divisors (see below), whose sum is σ = 544791936. Its totient is φ = 62860536.

The previous prime is 220011973. The next prime is 220012007. The reversal of 220012002 is 200210022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (220012007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 872938 + ... + 873189.

It is an arithmetic number, because the mean of its divisors is an integer number (22699664).

Almost surely, 2^220012002 is an apocalyptic number.

220012002 is an abundant number, since it is smaller than the sum of its proper divisors (324779934).

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

220012002 is a wasteful number, since it uses less digits than its factorization.

220012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746142 (or 1746139 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 220012002 is about 14832.8015560109. The cubic root of 220012002 is about 603.6920513290.

Adding to 220012002 its reverse (200210022), we get a palindrome (420222024).

The spelling of 220012002 in words is "two hundred twenty million, twelve thousand, two".