20142708 has 24 divisors (see below), whose sum is σ = 47373312. Its totient is φ = 6660864.

The previous prime is 20142701. The next prime is 20142719. The reversal of 20142708 is 80724102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142701) 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 7 ways as a sum of consecutive naturals, for example, 5085 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (1973888).

Almost surely, 2^20142708 is an apocalyptic number.

It is an amenable number.

20142708 is an abundant number, since it is smaller than the sum of its proper divisors (27230604).

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

20142708 is a wasteful number, since it uses less digits than its factorization.

20142708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351 (or 13349 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 20142708 is about 4488.0628337847. The cubic root of 20142708 is about 272.0858473257.

The spelling of 20142708 in words is "twenty million, one hundred forty-two thousand, seven hundred eight".