20272124812 has 6 divisors (see below), whose sum is σ = 35476218428. Its totient is φ = 10136062404.

The previous prime is 20272124797. The next prime is 20272124819. The reversal of 20272124812 is 21842127202.

It is not an unprimeable number, because it can be changed into a prime (20272124819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534015598 + ... + 2534015605.

Almost surely, 2^20272124812 is an apocalyptic number.

It is an amenable number.

20272124812 is a deficient number, since it is larger than the sum of its proper divisors (15204093616).

20272124812 is a wasteful number, since it uses less digits than its factorization.

20272124812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068031207 (or 5068031205 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The spelling of 20272124812 in words is "twenty billion, two hundred seventy-two million, one hundred twenty-four thousand, eight hundred twelve".