20416046312 has 8 divisors (see below), whose sum is σ = 38280086850. Its totient is φ = 10208023152.

The previous prime is 20416046311. The next prime is 20416046323. The reversal of 20416046312 is 21364061402.

It can be written as a sum of positive squares in only one way, i.e., 19958343076 + 457703236 = 141274^2 + 21394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20416046311) 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, 1276002887 + ... + 1276002902.

Almost surely, 2^20416046312 is an apocalyptic number.

It is an amenable number.

20416046312 is a deficient number, since it is larger than the sum of its proper divisors (17864040538).

20416046312 is a wasteful number, since it uses less digits than its factorization.

20416046312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552005795 (or 2552005791 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20416046312 in words is "twenty billion, four hundred sixteen million, forty-six thousand, three hundred twelve".