20336837036 has 24 divisors (see below), whose sum is σ = 37531917360. Its totient is φ = 9615412800.

The previous prime is 20336837033. The next prime is 20336837041. The reversal of 20336837036 is 63073863302.

It is a junction number, because it is equal to n+sod(n) for n = 20336836984 and 20336837002.

It is not an unprimeable number, because it can be changed into a prime (20336837033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206195 + ... + 288426.

It is an arithmetic number, because the mean of its divisors is an integer number (1563829890).

Almost surely, 2^20336837036 is an apocalyptic number.

It is an amenable number.

20336837036 is a deficient number, since it is larger than the sum of its proper divisors (17195080324).

20336837036 is a wasteful number, since it uses less digits than its factorization.

20336837036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495185 (or 495183 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 20336837036 in words is "twenty billion, three hundred thirty-six million, eight hundred thirty-seven thousand, thirty-six".