20536316 has 6 divisors (see below), whose sum is σ = 35938560. Its totient is φ = 10268156.

The previous prime is 20536279. The next prime is 20536331. The reversal of 20536316 is 61363502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567036 + ... + 2567043.

It is an arithmetic number, because the mean of its divisors is an integer number (5989760).

Almost surely, 2^20536316 is an apocalyptic number.

It is an amenable number.

20536316 is a deficient number, since it is larger than the sum of its proper divisors (15402244).

20536316 is a wasteful number, since it uses less digits than its factorization.

20536316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134083 (or 5134081 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 20536316 is about 4531.7012258091. The cubic root of 20536316 is about 273.8467006146.

Adding to 20536316 its reverse (61363502), we get a palindrome (81899818).

It can be divided in two parts, 205363 and 16, that added together give a cube (205379 = 59³).

The spelling of 20536316 in words is "twenty million, five hundred thirty-six thousand, three hundred sixteen".