20257770752741 has 16 divisors (see below), whose sum is σ = 20379879894528. Its totient is φ = 20136037248000.

The previous prime is 20257770752731. The next prime is 20257770752759. The reversal of 20257770752741 is 14725707775202.

It is a cyclic number.

It is not a de Polignac number, because 20257770752741 - 2⁶ = 20257770752677 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 (20257770752731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324867716 + ... + 324930066.

It is an arithmetic number, because the mean of its divisors is an integer number (1273742493408).

Almost surely, 2^{20257770752741} is an apocalyptic number.

It is an amenable number.

20257770752741 is a deficient number, since it is larger than the sum of its proper divisors (122109141787).

20257770752741 is a wasteful number, since it uses less digits than its factorization.

20257770752741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65332.

The product of its (nonzero) digits is 13445600, while the sum is 56.

The spelling of 20257770752741 in words is "twenty trillion, two hundred fifty-seven billion, seven hundred seventy million, seven hundred fifty-two thousand, seven hundred forty-one".