20262041537261 has 4 divisors (see below), whose sum is σ = 21142999864992. Its totient is φ = 19381083209532.

The previous prime is 20262041537209. The next prime is 20262041537281. The reversal of 20262041537261 is 16273514026202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20262041537261 - 2⁶ = 20262041537197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20262041537281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440479163831 + ... + 440479163876.

It is an arithmetic number, because the mean of its divisors is an integer number (5285749966248).

Almost surely, 2^{20262041537261} is an apocalyptic number.

It is an amenable number.

20262041537261 is a deficient number, since it is larger than the sum of its proper divisors (880958327731).

20262041537261 is an equidigital number, since it uses as much as digits as its factorization.

20262041537261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880958327730.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20262041537261 in words is "twenty trillion, two hundred sixty-two billion, forty-one million, five hundred thirty-seven thousand, two hundred sixty-one".