2020351668 has 24 divisors (see below), whose sum is σ = 4718017920. Its totient is φ = 672898560.

The previous prime is 2020351667. The next prime is 2020351673. The reversal of 2020351668 is 8661530202.

2020351668 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020351661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53613 + ... + 83156.

It is an arithmetic number, because the mean of its divisors is an integer number (196584080).

Almost surely, 2^2020351668 is an apocalyptic number.

It is an amenable number.

2020351668 is an abundant number, since it is smaller than the sum of its proper divisors (2697666252).

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

2020351668 is a wasteful number, since it uses less digits than its factorization.

2020351668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138007 (or 138005 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2020351668 is about 44948.3221933811. The cubic root of 2020351668 is about 1264.1802180214.

The spelling of 2020351668 in words is "two billion, twenty million, three hundred fifty-one thousand, six hundred sixty-eight".