20382079781224 has 32 divisors (see below), whose sum is σ = 43748799984000. Its totient is φ = 8720594101440.

The previous prime is 20382079781213. The next prime is 20382079781257. The reversal of 20382079781224 is 42218797028302.

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, 303777567 + ... + 303844654.

It is an arithmetic number, because the mean of its divisors is an integer number (1367149999500).

Almost surely, 2^{20382079781224} is an apocalyptic number.

It is an amenable number.

20382079781224 is an abundant number, since it is smaller than the sum of its proper divisors (23366720202776).

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

20382079781224 is a wasteful number, since it uses less digits than its factorization.

20382079781224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607622833 (or 607622829 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 20382079781224 in words is "twenty trillion, three hundred eighty-two billion, seventy-nine million, seven hundred eighty-one thousand, two hundred twenty-four".