2068123820 has 48 divisors (see below), whose sum is σ = 5009921280. Its totient is φ = 702439104.

The previous prime is 2068123781. The next prime is 2068123847. The reversal of 2068123820 is 283218602.

It is a super-2 number, since 2×2068123820² = 8554272269702784800, which contains 22 as substring.

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, 54050 + ... + 84009.

It is an arithmetic number, because the mean of its divisors is an integer number (104373360).

Almost surely, 2^2068123820 is an apocalyptic number.

2068123820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068123820 is an abundant number, since it is smaller than the sum of its proper divisors (2941797460).

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

2068123820 is a wasteful number, since it uses less digits than its factorization.

2068123820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138182 (or 138180 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2068123820 is about 45476.6293825741. The cubic root of 2068123820 is about 1274.0667413756.

The spelling of 2068123820 in words is "two billion, sixty-eight million, one hundred twenty-three thousand, eight hundred twenty".