20116704 has 24 divisors (see below), whose sum is σ = 52806600. Its totient is φ = 6705536.

The previous prime is 20116667. The next prime is 20116717. The reversal of 20116704 is 40761102.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104679 + ... + 104870.

It is an arithmetic number, because the mean of its divisors is an integer number (2200275).

Almost surely, 2^20116704 is an apocalyptic number.

20116704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20116704 is an abundant number, since it is smaller than the sum of its proper divisors (32689896).

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

20116704 is a wasteful number, since it uses less digits than its factorization.

20116704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209562 (or 209554 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20116704 is about 4485.1648799124. The cubic root of 20116704 is about 271.9687103569.

Adding to 20116704 its reverse (40761102), we get a palindrome (60877806).

The spelling of 20116704 in words is "twenty million, one hundred sixteen thousand, seven hundred four".