20706348 has 96 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 5854464.

The previous prime is 20706341. The next prime is 20706359. The reversal of 20706348 is 84360702.

It is not an unprimeable number, because it can be changed into a prime (20706341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103953 + ... + 104151.

It is an arithmetic number, because the mean of its divisors is an integer number (588000).

Almost surely, 2^20706348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20706348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28224000).

20706348 is an abundant number, since it is smaller than the sum of its proper divisors (35741652).

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

20706348 is a wasteful number, since it uses less digits than its factorization.

20706348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20706348 is about 4550.4228374954. The cubic root of 20706348 is about 274.6004025536.

The spelling of 20706348 in words is "twenty million, seven hundred six thousand, three hundred forty-eight".