2820866012196 has 48 divisors (see below), whose sum is σ = 6616782993408. Its totient is φ = 935333632800.

The previous prime is 2820866012189. The next prime is 2820866012227. The reversal of 2820866012196 is 6912106680282.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364671 + ... + 2739353.

It is an arithmetic number, because the mean of its divisors is an integer number (137849645696).

Almost surely, 2^{2820866012196} is an apocalyptic number.

It is an amenable number.

2820866012196 is an abundant number, since it is smaller than the sum of its proper divisors (3795916981212).

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

2820866012196 is a wasteful number, since it uses less digits than its factorization.

2820866012196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375592 (or 1375590 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 2820866012196 in words is "two trillion, eight hundred twenty billion, eight hundred sixty-six million, twelve thousand, one hundred ninety-six".