1980220002 has 16 divisors (see below), whose sum is σ = 3982323072. Its totient is φ = 656426160.

The previous prime is 1980220001. The next prime is 1980220031. The reversal of 1980220002 is 2000220891.

It is not an unprimeable number, because it can be changed into a prime (1980220001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910618 + ... + 912789.

It is an arithmetic number, because the mean of its divisors is an integer number (248895192).

Almost surely, 2^1980220002 is an apocalyptic number.

1980220002 is an abundant number, since it is smaller than the sum of its proper divisors (2002103070).

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

1980220002 is a wasteful number, since it uses less digits than its factorization.

1980220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823593.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1980220002 is about 44499.6629425437. The cubic root of 1980220002 is about 1255.7537420197.

Adding to 1980220002 its reverse (2000220891), we get a palindrome (3980440893).

The spelling of 1980220002 in words is "one billion, nine hundred eighty million, two hundred twenty thousand, two".