20077011 has 16 divisors (see below), whose sum is σ = 29826720. Its totient is φ = 13347360.

The previous prime is 20077009. The next prime is 20077027. The reversal of 20077011 is 11077002.

It is not a de Polignac number, because 20077011 - 2¹ = 20077009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20077081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11641 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (1864170).

Almost surely, 2^20077011 is an apocalyptic number.

20077011 is a deficient number, since it is larger than the sum of its proper divisors (9749709).

20077011 is a wasteful number, since it uses less digits than its factorization.

20077011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 20077011 is about 4480.7377740725. The cubic root of 20077011 is about 271.7897154615.

Subtracting from 20077011 its reverse (11077002), we obtain a palindrome (9000009).

The spelling of 20077011 in words is "twenty million, seventy-seven thousand, eleven".