20736010 has 8 divisors (see below), whose sum is σ = 37324836. Its totient is φ = 8294400.

The previous prime is 20735969. The next prime is 20736017. The reversal of 20736010 is 1063702.

It can be written as a sum of positive squares in 2 ways, for example, as 18671041 + 2064969 = 4321^2 + 1437^2 .

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

It is a super-2 number, since 2×20736010² = 859964221440200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20736017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036791 + ... + 1036810.

Almost surely, 2^20736010 is an apocalyptic number.

20736010 is a deficient number, since it is larger than the sum of its proper divisors (16588826).

20736010 is a wasteful number, since it uses less digits than its factorization.

20736010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073608.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 20736010 is about 4553.6809286554. The cubic root of 20736010 is about 274.7314623762.

Adding to 20736010 its reverse (1063702), we get a palindrome (21799712).

The spelling of 20736010 in words is "twenty million, seven hundred thirty-six thousand, ten".