20837068 has 24 divisors (see below), whose sum is σ = 42802592. Its totient is φ = 8688384.

The previous prime is 20837059. The next prime is 20837071. The reversal of 20837068 is 86073802.

It is a happy 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, 9021 + ... + 11092.

Almost surely, 2^20837068 is an apocalyptic number.

20837068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20837068 is an abundant number, since it is smaller than the sum of its proper divisors (21965524).

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

20837068 is a wasteful number, since it uses less digits than its factorization.

20837068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161 (or 20159 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20837068 is about 4564.7637397789. The cubic root of 20837068 is about 275.1770452223.

The spelling of 20837068 in words is "twenty million, eight hundred thirty-seven thousand, sixty-eight".