2031220002 has 32 divisors (see below), whose sum is σ = 4647081600. Its totient is φ = 579811968.

The previous prime is 2031219979. The next prime is 2031220003. The reversal of 2031220002 is 2000221302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031220002.

It is not an unprimeable number, because it can be changed into a prime (2031220003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24774 + ... + 68382.

It is an arithmetic number, because the mean of its divisors is an integer number (145221300).

Almost surely, 2^2031220002 is an apocalyptic number.

2031220002 is an abundant number, since it is smaller than the sum of its proper divisors (2615861598).

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

2031220002 is a wasteful number, since it uses less digits than its factorization.

2031220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44730.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2031220002 is about 45069.0581441414. The cubic root of 2031220002 is about 1266.4430203331.

Adding to 2031220002 its reverse (2000221302), we get a palindrome (4031441304).

The spelling of 2031220002 in words is "two billion, thirty-one million, two hundred twenty thousand, two".