20567405116228 has 48 divisors (see below), whose sum is σ = 37284987688704. Its totient is φ = 9922414012160.

The previous prime is 20567405116217. The next prime is 20567405116229. The reversal of 20567405116228 is 82261150476502.

It is not an unprimeable number, because it can be changed into a prime (20567405116229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201388 + ... + 6416803.

It is an arithmetic number, because the mean of its divisors is an integer number (776770576848).

Almost surely, 2^{20567405116228} is an apocalyptic number.

It is an amenable number.

20567405116228 is a deficient number, since it is larger than the sum of its proper divisors (16717582572476).

20567405116228 is a wasteful number, since it uses less digits than its factorization.

20567405116228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618492 (or 6618490 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 20567405116228 in words is "twenty trillion, five hundred sixty-seven billion, four hundred five million, one hundred sixteen thousand, two hundred twenty-eight".