20089356236 has 6 divisors (see below), whose sum is σ = 35156373420. Its totient is φ = 10044678116.

The previous prime is 20089356227. The next prime is 20089356247. The reversal of 20089356236 is 63265398002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2511169526 + ... + 2511169533.

It is an arithmetic number, because the mean of its divisors is an integer number (5859395570).

Almost surely, 2^20089356236 is an apocalyptic number.

It is an amenable number.

20089356236 is a deficient number, since it is larger than the sum of its proper divisors (15067017184).

20089356236 is a wasteful number, since it uses less digits than its factorization.

20089356236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022339063 (or 5022339061 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 20089356236 in words is "twenty billion, eighty-nine million, three hundred fifty-six thousand, two hundred thirty-six".