20269865741 has 32 divisors (see below), whose sum is σ = 22380710400. Its totient is φ = 18292884480.

The previous prime is 20269865717. The next prime is 20269865783. The reversal of 20269865741 is 14756896202.

It is a cyclic number.

It is not a de Polignac number, because 20269865741 - 2³⁰ = 19196123917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20269865741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20269865701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4850645 + ... + 4854821.

It is an arithmetic number, because the mean of its divisors is an integer number (699397200).

Almost surely, 2^20269865741 is an apocalyptic number.

It is an amenable number.

20269865741 is a deficient number, since it is larger than the sum of its proper divisors (2110844659).

20269865741 is a wasteful number, since it uses less digits than its factorization.

20269865741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 20269865741 in words is "twenty billion, two hundred sixty-nine million, eight hundred sixty-five thousand, seven hundred forty-one".