20267207202005 has 24 divisors (see below), whose sum is σ = 25675076412000. Its totient is φ = 15356206684512.

The previous prime is 20267207201999. The next prime is 20267207202019. The reversal of 20267207202005 is 50020270276202.

It is not a de Polignac number, because 20267207202005 - 2²⁶ = 20267140093141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5070146 + ... + 8138844.

It is an arithmetic number, because the mean of its divisors is an integer number (1069794850500).

Almost surely, 2^{20267207202005} is an apocalyptic number.

It is an amenable number.

20267207202005 is a deficient number, since it is larger than the sum of its proper divisors (5407869209995).

20267207202005 is a wasteful number, since it uses less digits than its factorization.

20267207202005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072401 (or 3072382 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

Adding to 20267207202005 its reverse (50020270276202), we get a palindrome (70287477478207).

The spelling of 20267207202005 in words is "twenty trillion, two hundred sixty-seven billion, two hundred seven million, two hundred two thousand, five".