20090710 has 16 divisors (see below), whose sum is σ = 36846576. Its totient is φ = 7884448.

The previous prime is 20090689. The next prime is 20090711. The reversal of 20090710 is 1709002.

It is a super-3 number, since 3×20090710³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20090711) 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, 18424 + ... + 19483.

It is an arithmetic number, because the mean of its divisors is an integer number (2302911).

Almost surely, 2^20090710 is an apocalyptic number.

20090710 is a deficient number, since it is larger than the sum of its proper divisors (16755866).

20090710 is a wasteful number, since it uses less digits than its factorization.

20090710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37967.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 20090710 is about 4482.2661679110. The cubic root of 20090710 is about 271.8515175032.

Adding to 20090710 its reverse (1709002), we get a palindrome (21799712).

The spelling of 20090710 in words is "twenty million, ninety thousand, seven hundred ten".