268620020 has 24 divisors (see below), whose sum is σ = 564477984. Its totient is φ = 107376416.

The previous prime is 268620019. The next prime is 268620049. The reversal of 268620020 is 20026862.

268620020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 34619 + ... + 41661.

It is an arithmetic number, because the mean of its divisors is an integer number (23519916).

Almost surely, 2^268620020 is an apocalyptic number.

268620020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268620020 is an abundant number, since it is smaller than the sum of its proper divisors (295857964).

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

268620020 is a wasteful number, since it uses less digits than its factorization.

268620020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959 (or 8957 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 268620020 is about 16389.6314784683. The cubic root of 268620020 is about 645.2273861267.

Adding to 268620020 its reverse (20026862), we get a palindrome (288646882).

The spelling of 268620020 in words is "two hundred sixty-eight million, six hundred twenty thousand, twenty".