20251074164241 has 32 divisors (see below), whose sum is σ = 28107706318848. Its totient is φ = 12955147067520.

The previous prime is 20251074164239. The next prime is 20251074164287. The reversal of 20251074164241 is 14246147015202.

It is not a de Polignac number, because 20251074164241 - 2¹ = 20251074164239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20251074164241.

It is not an unprimeable number, because it can be changed into a prime (20251073164241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10350280 + ... + 12150326.

It is an arithmetic number, because the mean of its divisors is an integer number (878365822464).

Almost surely, 2^{20251074164241} is an apocalyptic number.

It is an amenable number.

20251074164241 is a deficient number, since it is larger than the sum of its proper divisors (7856632154607).

20251074164241 is a wasteful number, since it uses less digits than its factorization.

20251074164241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801101.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 20251074164241 in words is "twenty trillion, two hundred fifty-one billion, seventy-four million, one hundred sixty-four thousand, two hundred forty-one".