20365036 has 12 divisors (see below), whose sum is σ = 37514680. Its totient is φ = 9646560.

The previous prime is 20365027. The next prime is 20365039. The reversal of 20365036 is 63056302.

It is a self number, because there is not a number n which added to its sum of digits gives 20365036.

It is not an unprimeable number, because it can be changed into a prime (20365039) 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, 133905 + ... + 134056.

Almost surely, 2^20365036 is an apocalyptic number.

It is an amenable number.

20365036 is a deficient number, since it is larger than the sum of its proper divisors (17149644).

20365036 is a wasteful number, since it uses less digits than its factorization.

20365036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267984 (or 267982 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 20365036 is about 4512.7636765069. The cubic root of 20365036 is about 273.0832486838.

The spelling of 20365036 in words is "twenty million, three hundred sixty-five thousand, thirty-six".