2020669782 has 32 divisors (see below), whose sum is σ = 4077578880. Its totient is φ = 667542720.

The previous prime is 2020669753. The next prime is 2020669787. The reversal of 2020669782 is 2879660202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020669787) by changing a digit.

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, 333157 + ... + 339167.

It is an arithmetic number, because the mean of its divisors is an integer number (127424340).

Almost surely, 2^2020669782 is an apocalyptic number.

2020669782 is an abundant number, since it is smaller than the sum of its proper divisors (2056909098).

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

2020669782 is a wasteful number, since it uses less digits than its factorization.

2020669782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2020669782 is about 44951.8607178835. The cubic root of 2020669782 is about 1264.2465649396.

The spelling of 2020669782 in words is "two billion, twenty million, six hundred sixty-nine thousand, seven hundred eighty-two".