2220120002 has 4 divisors (see below), whose sum is σ = 3330180006. Its totient is φ = 1110060000.

The previous prime is 2220119987. The next prime is 2220120013. The reversal of 2220120002 is 2000210222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2104148641 + 115971361 = 45871^2 + 10769^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555029999 + ... + 555030002.

Almost surely, 2^2220120002 is an apocalyptic number.

2220120002 is a deficient number, since it is larger than the sum of its proper divisors (1110060004).

2220120002 is a wasteful number, since it uses less digits than its factorization.

2220120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110060003.

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

The square root of 2220120002 is about 47118.1493906541. The cubic root of 2220120002 is about 1304.5442548671.

Adding to 2220120002 its reverse (2000210222), we get a palindrome (4220330224).

The spelling of 2220120002 in words is "two billion, two hundred twenty million, one hundred twenty thousand, two".