20112036394 has 8 divisors (see below), whose sum is σ = 30367843488. Its totient is φ = 9989421900.

The previous prime is 20112036391. The next prime is 20112036403. The reversal of 20112036394 is 49363021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20112036391) 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, 33297772 + ... + 33298375.

It is an arithmetic number, because the mean of its divisors is an integer number (3795980436).

Almost surely, 2^20112036394 is an apocalyptic number.

20112036394 is a deficient number, since it is larger than the sum of its proper divisors (10255807094).

20112036394 is a wasteful number, since it uses less digits than its factorization.

20112036394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66596300.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 20112036394 its reverse (49363021102), we get a palindrome (69475057496).

The spelling of 20112036394 in words is "twenty billion, one hundred twelve million, thirty-six thousand, three hundred ninety-four".