2006647802720 has 192 divisors, whose sum is σ = 5420758339584. Its totient is φ = 694831441920.

The previous prime is 2006647802717. The next prime is 2006647802749. The reversal of 2006647802720 is 272087466002.

It is a happy number.

It is a super-2 number, since 2×2006647802720² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8915894 + ... + 9138186.

It is an arithmetic number, because the mean of its divisors is an integer number (28233116352).

Almost surely, 2^{2006647802720} is an apocalyptic number.

2006647802720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2006647802720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710379169792).

2006647802720 is an abundant number, since it is smaller than the sum of its proper divisors (3414110536864).

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

2006647802720 is a wasteful number, since it uses less digits than its factorization.

2006647802720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222565 (or 222557 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 2006647802720 in words is "two trillion, six billion, six hundred forty-seven million, eight hundred two thousand, seven hundred twenty".