20734010 has 16 divisors (see below), whose sum is σ = 40714272. Its totient is φ = 7539600.

The previous prime is 20734001. The next prime is 20734013. The reversal of 20734010 is 1043702.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20734010.

It is not an unprimeable number, because it can be changed into a prime (20734013) 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 7 ways as a sum of consecutive naturals, for example, 94136 + ... + 94355.

It is an arithmetic number, because the mean of its divisors is an integer number (2544642).

Almost surely, 2^20734010 is an apocalyptic number.

20734010 is a deficient number, since it is larger than the sum of its proper divisors (19980262).

20734010 is a wasteful number, since it uses less digits than its factorization.

20734010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188509.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20734010 is about 4553.4613207976. The cubic root of 20734010 is about 274.7226294234.

Adding to 20734010 its reverse (1043702), we get a palindrome (21777712).

The spelling of 20734010 in words is "twenty million, seven hundred thirty-four thousand, ten".