20343708 has 144 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 5126400.

The previous prime is 20343689. The next prime is 20343727. The reversal of 20343708 is 80734302.

It is an interprime number because it is at equal distance from previous prime (20343689) and next prime (20343727).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113563 + ... + 113741.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^20343708 is an apocalyptic number.

20343708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20343708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33022080).

20343708 is an abundant number, since it is smaller than the sum of its proper divisors (45700452).

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

20343708 is a wasteful number, since it uses less digits than its factorization.

20343708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20343708 is about 4510.3999822632. The cubic root of 20343708 is about 272.9878833732.

The spelling of 20343708 in words is "twenty million, three hundred forty-three thousand, seven hundred eight".