20453710 has 8 divisors (see below), whose sum is σ = 36816696. Its totient is φ = 8181480.

The previous prime is 20453701. The next prime is 20453717. The reversal of 20453710 is 1735402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453717) 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 3 ways as a sum of consecutive naturals, for example, 1022676 + ... + 1022695.

It is an arithmetic number, because the mean of its divisors is an integer number (4602087).

Almost surely, 2^20453710 is an apocalyptic number.

20453710 is a deficient number, since it is larger than the sum of its proper divisors (16362986).

20453710 is a wasteful number, since it uses less digits than its factorization.

20453710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045378.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20453710 is about 4522.5778047481. The cubic root of 20453710 is about 273.4790303287.

The spelling of 20453710 in words is "twenty million, four hundred fifty-three thousand, seven hundred ten".