2820391920382 has 8 divisors (see below), whose sum is σ = 4310410293576. Its totient is φ = 1383588489192.

The previous prime is 2820391920347. The next prime is 2820391920469. The reversal of 2820391920382 is 2830291930282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2820391920382² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13303735368 + ... + 13303735579.

It is an arithmetic number, because the mean of its divisors is an integer number (538801286697).

Almost surely, 2^{2820391920382} is an apocalyptic number.

2820391920382 is a deficient number, since it is larger than the sum of its proper divisors (1490018373194).

2820391920382 is a wasteful number, since it uses less digits than its factorization.

2820391920382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26607471002.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 2820391920382 in words is "two trillion, eight hundred twenty billion, three hundred ninety-one million, nine hundred twenty thousand, three hundred eighty-two".