20356125155201 has 16 divisors (see below), whose sum is σ = 22912077000960. Its totient is φ = 17926578683520.

The previous prime is 20356125155123. The next prime is 20356125155227. The reversal of 20356125155201 is 10255152165302.

It is a cyclic number.

It is not a de Polignac number, because 20356125155201 - 2⁴² = 15958078644097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20356125155281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220942340 + ... + 221034453.

It is an arithmetic number, because the mean of its divisors is an integer number (1432004812560).

Almost surely, 2^{20356125155201} is an apocalyptic number.

It is an amenable number.

20356125155201 is a deficient number, since it is larger than the sum of its proper divisors (2555951845759).

20356125155201 is a wasteful number, since it uses less digits than its factorization.

20356125155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441976936.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 20356125155201 in words is "twenty trillion, three hundred fifty-six billion, one hundred twenty-five million, one hundred fifty-five thousand, two hundred one".