2002211380 has 48 divisors (see below), whose sum is σ = 4794446160. Its totient is φ = 695789568.

The previous prime is 2002211311. The next prime is 2002211381. The reversal of 2002211380 is 831122002.

It can be written as a sum of positive squares in 8 ways, for example, as 39012516 + 1963198864 = 6246^2 + 44308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002211381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222075 + ... + 230914.

It is an arithmetic number, because the mean of its divisors is an integer number (99884295).

Almost surely, 2^2002211380 is an apocalyptic number.

2002211380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002211380 is an abundant number, since it is smaller than the sum of its proper divisors (2792234780).

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

2002211380 is a wasteful number, since it uses less digits than its factorization.

2002211380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453028 (or 453026 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2002211380 is about 44746.0766995275. The cubic root of 2002211380 is about 1260.3852395555.

Adding to 2002211380 its reverse (831122002), we get a palindrome (2833333382).

It can be divided in two parts, 200221 and 1380, that added together give a square (201601 = 449²).

The spelling of 2002211380 in words is "two billion, two million, two hundred eleven thousand, three hundred eighty".