2820343022628 has 24 divisors (see below), whose sum is σ = 6604557796032. Its totient is φ = 936720425184.

The previous prime is 2820343022599. The next prime is 2820343022641. The reversal of 2820343022628 is 8262203430282.

It is a self number, because there is not a number n which added to its sum of digits gives 2820343022628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424236000 + ... + 424242647.

It is an arithmetic number, because the mean of its divisors is an integer number (275189908168).

Almost surely, 2^{2820343022628} is an apocalyptic number.

It is an amenable number.

2820343022628 is an abundant number, since it is smaller than the sum of its proper divisors (3784214773404).

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

2820343022628 is a wasteful number, since it uses less digits than its factorization.

2820343022628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848478931 (or 848478929 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 2820343022628 in words is "two trillion, eight hundred twenty billion, three hundred forty-three million, twenty-two thousand, six hundred twenty-eight".