2068130021 has 8 divisors (see below), whose sum is σ = 2128056480. Its totient is φ = 2008741392.

The previous prime is 2068129997. The next prime is 2068130039. The reversal of 2068130021 is 1200318602.

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

It is a cyclic number.

It is not a de Polignac number, because 2068130021 - 2⁶ = 2068129957 is a prime.

It is a super-2 number, since 2×2068130021² = 8554323567522920882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068130521) 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, 126650 + ... + 142043.

It is an arithmetic number, because the mean of its divisors is an integer number (266007060).

Almost surely, 2^2068130021 is an apocalyptic number.

It is an amenable number.

2068130021 is a deficient number, since it is larger than the sum of its proper divisors (59926459).

2068130021 is a wasteful number, since it uses less digits than its factorization.

2068130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268915.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2068130021 is about 45476.6975603990. The cubic root of 2068130021 is about 1274.0680147488.

Adding to 2068130021 its reverse (1200318602), we get a palindrome (3268448623).

The spelling of 2068130021 in words is "two billion, sixty-eight million, one hundred thirty thousand, twenty-one".