20036782 has 8 divisors (see below), whose sum is σ = 30788352. Its totient is φ = 9774000.

The previous prime is 20036777. The next prime is 20036789. The reversal of 20036782 is 28763002.

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 20036782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036789) 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, 122094 + ... + 122257.

It is an arithmetic number, because the mean of its divisors is an integer number (3848544).

Almost surely, 2^20036782 is an apocalyptic number.

20036782 is a deficient number, since it is larger than the sum of its proper divisors (10751570).

20036782 is a wasteful number, since it uses less digits than its factorization.

20036782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244394.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20036782 is about 4476.2464185967. The cubic root of 20036782 is about 271.6080626011.

Adding to 20036782 its reverse (28763002), we get a palindrome (48799784).

The spelling of 20036782 in words is "twenty million, thirty-six thousand, seven hundred eighty-two".