20734102 has 8 divisors (see below), whose sum is σ = 32104512. Its totient is φ = 10032600.

The previous prime is 20734099. The next prime is 20734121. The reversal of 20734102 is 20143702.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20734102.

It is a congruent number.

It is an unprimeable number.

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, 167149 + ... + 167272.

It is an arithmetic number, because the mean of its divisors is an integer number (4013064).

Almost surely, 2^20734102 is an apocalyptic number.

20734102 is a deficient number, since it is larger than the sum of its proper divisors (11370410).

20734102 is a wasteful number, since it uses less digits than its factorization.

20734102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334454.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20734102 is about 4553.4714229915. The cubic root of 20734102 is about 274.7230357517.

Adding to 20734102 its reverse (20143702), we get a palindrome (40877804).

The spelling of 20734102 in words is "twenty million, seven hundred thirty-four thousand, one hundred two".