220220000002 has 4 divisors (see below), whose sum is σ = 330330000006. Its totient is φ = 110110000000.

The previous prime is 220219999969. The next prime is 220220000003. The reversal of 220220000002 is 200000022022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200000022022 = 2 ⋅100000011011.

It can be written as a sum of positive squares in only one way, i.e., 120186329041 + 100033670961 = 346679^2 + 316281^2 .

It is not an unprimeable number, because it can be changed into a prime (220220000003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55054999999 + ... + 55055000002.

Almost surely, 2^220220000002 is an apocalyptic number.

220220000002 is a deficient number, since it is larger than the sum of its proper divisors (110110000004).

220220000002 is a wasteful number, since it uses less digits than its factorization.

220220000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110110000003.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 220220000002 its reverse (200000022022), we get a palindrome (420220022024).

The spelling of 220220000002 in words is "two hundred twenty billion, two hundred twenty million, two", and thus it is an aban number.