20848077 has 16 divisors (see below), whose sum is σ = 31606080. Its totient is φ = 13574736.

The previous prime is 20848043. The next prime is 20848081. The reversal of 20848077 is 77084802.

It is not a de Polignac number, because 20848077 - 2⁷ = 20847949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20848007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7818 + ... + 10139.

It is an arithmetic number, because the mean of its divisors is an integer number (1975380).

Almost surely, 2^20848077 is an apocalyptic number.

20848077 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20848077 is a deficient number, since it is larger than the sum of its proper divisors (10758003).

20848077 is a wasteful number, since it uses less digits than its factorization.

20848077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009 (or 18003 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 20848077 is about 4565.9694479924. The cubic root of 20848077 is about 275.2254987880.

The spelling of 20848077 in words is "twenty million, eight hundred forty-eight thousand, seventy-seven".