20036312 has 16 divisors (see below), whose sum is σ = 39201840. Its totient is φ = 9582496.

The previous prime is 20036309. The next prime is 20036321. The reversal of 20036312 is 21363002.

It is a super-2 number, since 2×20036312² = 802907597122688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54263 + ... + 54630.

It is an arithmetic number, because the mean of its divisors is an integer number (2450115).

Almost surely, 2^20036312 is an apocalyptic number.

It is an amenable number.

20036312 is a deficient number, since it is larger than the sum of its proper divisors (19165528).

20036312 is a wasteful number, since it uses less digits than its factorization.

20036312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108922 (or 108918 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20036312 is about 4476.1939189450. The cubic root of 20036312 is about 271.6059388936.

Adding to 20036312 its reverse (21363002), we get a palindrome (41399314).

The spelling of 20036312 in words is "twenty million, thirty-six thousand, three hundred twelve".