20710734 has 32 divisors (see below), whose sum is σ = 45377280. Its totient is φ = 6249600.

The previous prime is 20710733. The next prime is 20710747. The reversal of 20710734 is 43701702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20022 + ... + 21030.

It is an arithmetic number, because the mean of its divisors is an integer number (1418040).

Almost surely, 2^20710734 is an apocalyptic number.

20710734 is an abundant number, since it is smaller than the sum of its proper divisors (24666546).

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

20710734 is a wasteful number, since it uses less digits than its factorization.

20710734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 20710734 is about 4550.9047452128. The cubic root of 20710734 is about 274.6197897216.

The spelling of 20710734 in words is "twenty million, seven hundred ten thousand, seven hundred thirty-four".