20123708 has 48 divisors (see below), whose sum is σ = 40449024. Its totient is φ = 8677440.

The previous prime is 20123707. The next prime is 20123713. The reversal of 20123708 is 80732102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123707) 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, 76385 + ... + 76647.

It is an arithmetic number, because the mean of its divisors is an integer number (842688).

Almost surely, 2^20123708 is an apocalyptic number.

It is an amenable number.

20123708 is an abundant number, since it is smaller than the sum of its proper divisors (20325316).

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

20123708 is a wasteful number, since it uses less digits than its factorization.

20123708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 20123708 is about 4485.9456082302. The cubic root of 20123708 is about 272.0002703285. Note that the first 3 decimals are identical.

The spelling of 20123708 in words is "twenty million, one hundred twenty-three thousand, seven hundred eight".