20726714 has 4 divisors (see below), whose sum is σ = 31090074.
Its totient is φ = 10363356.
The previous prime is 20726711. The next prime is 20726737. The reversal of 20726714 is 41762702.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 17181025 + 3545689 = 4145^2 + 1883^2
It is not an unprimeable number, because it can be changed into a prime (20726711) 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 as a sum of consecutive naturals, namely, 5181677 + ... + 5181680.
Almost surely, 220726714 is an apocalyptic number.
20726714 is a deficient number, since it is larger than the sum of its proper divisors (10363360).
20726714 is a wasteful number, since it uses less digits than its factorization.
20726714 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10363359.
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 20726714 is about 4552.6601015231.
The cubic root of 20726714 is about 274.6904019952.
The spelling of 20726714 in words is "twenty million, seven hundred twenty-six thousand, seven hundred fourteen".