20125536367741 has 4 divisors (see below), whose sum is σ = 23000612991712. Its totient is φ = 17250459743772.

The previous prime is 20125536367733. The next prime is 20125536367747. The reversal of 20125536367741 is 14776363552102.

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 20125536367741 - 2³ = 20125536367733 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 (20125536367747) 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, 1437538311975 + ... + 1437538311988.

It is an arithmetic number, because the mean of its divisors is an integer number (5750153247928).

Almost surely, 2^{20125536367741} is an apocalyptic number.

It is an amenable number.

20125536367741 is a deficient number, since it is larger than the sum of its proper divisors (2875076623971).

20125536367741 is an equidigital number, since it uses as much as digits as its factorization.

20125536367741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875076623970.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 20125536367741 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-six million, three hundred sixty-seven thousand, seven hundred forty-one".