20036734 has 8 divisors (see below), whose sum is σ = 30167640. Its totient is φ = 9980856.

The previous prime is 20036729. The next prime is 20036743. The reversal of 20036734 is 43763002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20036699 and 20036708.

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, 18084 + ... + 19159.

It is an arithmetic number, because the mean of its divisors is an integer number (3770955).

Almost surely, 2^20036734 is an apocalyptic number.

20036734 is a deficient number, since it is larger than the sum of its proper divisors (10130906).

20036734 is a wasteful number, since it uses less digits than its factorization.

20036734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37514.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20036734 is about 4476.2410569584. The cubic root of 20036734 is about 271.6078457133.

Adding to 20036734 its reverse (43763002), we get a palindrome (63799736).

The spelling of 20036734 in words is "twenty million, thirty-six thousand, seven hundred thirty-four".