20734703 has 4 divisors (see below), whose sum is σ = 22619688. Its totient is φ = 18849720.

The previous prime is 20734699. The next prime is 20734717. The reversal of 20734703 is 30743702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20734703 - 2² = 20734699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734733) 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, 942476 + ... + 942497.

It is an arithmetic number, because the mean of its divisors is an integer number (5654922).

Almost surely, 2^20734703 is an apocalyptic number.

20734703 is a deficient number, since it is larger than the sum of its proper divisors (1884985).

20734703 is a wasteful number, since it uses less digits than its factorization.

20734703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884984.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 20734703 is about 4553.5374161195. The cubic root of 20734703 is about 274.7256901058.

It can be divided in two parts, 2073 and 4703, that added together give a palindrome (6776).

The spelling of 20734703 in words is "twenty million, seven hundred thirty-four thousand, seven hundred three".