20364036 has 48 divisors (see below), whose sum is σ = 59243520. Its totient is φ = 5289120.

The previous prime is 20364017. The next prime is 20364037. The reversal of 20364036 is 63046302.

It is a junction number, because it is equal to n+sod(n) for n = 20363997 and 20364015.

It is not an unprimeable number, because it can be changed into a prime (20364037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10096 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (1234240).

Almost surely, 2^20364036 is an apocalyptic number.

It is an amenable number.

20364036 is an abundant number, since it is smaller than the sum of its proper divisors (38879484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20364036 is a wasteful number, since it uses less digits than its factorization.

20364036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22064 (or 22062 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 20364036 is about 4512.6528782968. The cubic root of 20364036 is about 273.0787788052.

The spelling of 20364036 in words is "twenty million, three hundred sixty-four thousand, thirty-six".