20313021194 has 8 divisors (see below), whose sum is σ = 30765352800. Its totient is φ = 10057903596.

The previous prime is 20313021191. The next prime is 20313021221. The reversal of 20313021194 is 49112031302.

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 (20313021191) 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, 49303244 + ... + 49303655.

It is an arithmetic number, because the mean of its divisors is an integer number (3845669100).

Almost surely, 2^20313021194 is an apocalyptic number.

20313021194 is a deficient number, since it is larger than the sum of its proper divisors (10452331606).

20313021194 is a wasteful number, since it uses less digits than its factorization.

20313021194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98607004.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 20313021194 its reverse (49112031302), we get a palindrome (69425052496).

The spelling of 20313021194 in words is "twenty billion, three hundred thirteen million, twenty-one thousand, one hundred ninety-four".