20863922741 has 8 divisors (see below), whose sum is σ = 22153800024. Its totient is φ = 19580999680.

The previous prime is 20863922699. The next prime is 20863922749. The reversal of 20863922741 is 14722936802.

It can be written as a sum of positive squares in 4 ways, for example, as 1188249841 + 19675672900 = 34471^2 + 140270^2 .

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 20863922741 - 2³⁴ = 3684053557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20863922692 and 20863922701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20863922749) 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, 1732370 + ... + 1744371.

It is an arithmetic number, because the mean of its divisors is an integer number (2769225003).

Almost surely, 2^20863922741 is an apocalyptic number.

It is an amenable number.

20863922741 is a deficient number, since it is larger than the sum of its proper divisors (1289877283).

20863922741 is a wasteful number, since it uses less digits than its factorization.

20863922741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477111.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 20863922741 in words is "twenty billion, eight hundred sixty-three million, nine hundred twenty-two thousand, seven hundred forty-one".