2020943647840 has 96 divisors (see below), whose sum is σ = 5214166364736. Its totient is φ = 735684741120.

The previous prime is 2020943647771. The next prime is 2020943647859. The reversal of 2020943647840 is 487463490202.

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 15 ways as a sum of consecutive naturals, for example, 6694627 + ... + 6989986.

It is an arithmetic number, because the mean of its divisors is an integer number (54314232966).

Almost surely, 2^{2020943647840} is an apocalyptic number.

2020943647840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020943647840 is an abundant number, since it is smaller than the sum of its proper divisors (3193222716896).

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

2020943647840 is a wasteful number, since it uses less digits than its factorization.

2020943647840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13684712 (or 13684704 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 2020943647840 in words is "two trillion, twenty billion, nine hundred forty-three million, six hundred forty-seven thousand, eight hundred forty".