2006021719220 has 24 divisors (see below), whose sum is σ = 4222945494600. Its totient is φ = 800446804992.

The previous prime is 2006021719193. The next prime is 2006021719277. The reversal of 2006021719220 is 229171206002.

It can be written as a sum of positive squares in 4 ways, for example, as 774072674596 + 1231949044624 = 879814^2 + 1109932^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 122609285 + ... + 122625644.

It is an arithmetic number, because the mean of its divisors is an integer number (175956062275).

Almost surely, 2^{2006021719220} is an apocalyptic number.

2006021719220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006021719220 is an abundant number, since it is smaller than the sum of its proper divisors (2216923775380).

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

2006021719220 is a wasteful number, since it uses less digits than its factorization.

2006021719220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245235347 (or 245235345 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 2006021719220 in words is "two trillion, six billion, twenty-one million, seven hundred nineteen thousand, two hundred twenty".