20536364 has 6 divisors (see below), whose sum is σ = 35938644. Its totient is φ = 10268180.

The previous prime is 20536361. The next prime is 20536381. The reversal of 20536364 is 46363502.

It is not an unprimeable number, because it can be changed into a prime (20536361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567042 + ... + 2567049.

It is an arithmetic number, because the mean of its divisors is an integer number (5989774).

Almost surely, 2^20536364 is an apocalyptic number.

It is an amenable number.

20536364 is a deficient number, since it is larger than the sum of its proper divisors (15402280).

20536364 is a wasteful number, since it uses less digits than its factorization.

20536364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134095 (or 5134093 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 20536364 is about 4531.7065218304. The cubic root of 20536364 is about 273.8469139705.

Adding to 20536364 its reverse (46363502), we get a palindrome (66899866).

The spelling of 20536364 in words is "twenty million, five hundred thirty-six thousand, three hundred sixty-four".