20313945228 has 24 divisors (see below), whose sum is σ = 49893901120. Its totient is φ = 6414930000.

The previous prime is 20313945227. The next prime is 20313945241. The reversal of 20313945228 is 82254931302.

It is not an unprimeable number, because it can be changed into a prime (20313945227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44547898 + ... + 44548353.

Almost surely, 2^20313945228 is an apocalyptic number.

It is an amenable number.

20313945228 is an abundant number, since it is smaller than the sum of its proper divisors (29579955892).

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

20313945228 is a wasteful number, since it uses less digits than its factorization.

20313945228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89096277 (or 89096275 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 20313945228 in words is "twenty billion, three hundred thirteen million, nine hundred forty-five thousand, two hundred twenty-eight".