20755975741 has 8 divisors (see below), whose sum is σ = 21144902400. Its totient is φ = 20368286880.

The previous prime is 20755975739. The next prime is 20755975759. The reversal of 20755975741 is 14757955702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20755975741 - 2¹ = 20755975739 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 (20755775741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275565 + ... + 342706.

It is an arithmetic number, because the mean of its divisors is an integer number (2643112800).

Almost surely, 2^20755975741 is an apocalyptic number.

It is an amenable number.

20755975741 is a deficient number, since it is larger than the sum of its proper divisors (388926659).

20755975741 is an equidigital number, since it uses as much as digits as its factorization.

20755975741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618899.

The product of its (nonzero) digits is 3087000, while the sum is 52.

The spelling of 20755975741 in words is "twenty billion, seven hundred fifty-five million, nine hundred seventy-five thousand, seven hundred forty-one".