20000734 has 8 divisors (see below), whose sum is σ = 32308920. Its totient is φ = 9231096.

The previous prime is 20000723. The next prime is 20000753. The reversal of 20000734 is 43700002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384604 + ... + 384655.

It is an arithmetic number, because the mean of its divisors is an integer number (4038615).

Almost surely, 2^20000734 is an apocalyptic number.

20000734 is a deficient number, since it is larger than the sum of its proper divisors (12308186).

20000734 is a wasteful number, since it uses less digits than its factorization.

20000734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769274.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 20000734 is about 4472.2180179414. The cubic root of 20000734 is about 271.4450822564.

Adding to 20000734 its reverse (43700002), we get a palindrome (63700736).

The spelling of 20000734 in words is "twenty million, seven hundred thirty-four", and thus it is an aban number.