2220020012 has 12 divisors (see below), whose sum is σ = 4440040080. Its totient is φ = 951437136.

The previous prime is 2220020003. The next prime is 2220020107. The reversal of 2220020012 is 2100200222.

2220020012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2220019975 and 2220020002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39643187 + ... + 39643242.

It is an arithmetic number, because the mean of its divisors is an integer number (370003340).

Almost surely, 2^2220020012 is an apocalyptic number.

It is an amenable number.

2220020012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2220020012 is a wasteful number, since it uses less digits than its factorization.

2220020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79286440 (or 79286438 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2220020012 is about 47117.0883226033. The cubic root of 2220020012 is about 1304.5246698389.

Adding to 2220020012 its reverse (2100200222), we get a palindrome (4320220234).

The spelling of 2220020012 in words is "two billion, two hundred twenty million, twenty thousand, twelve".