20410430839 has 16 divisors (see below), whose sum is σ = 20870468640. Its totient is φ = 19955704320.

The previous prime is 20410430779. The next prime is 20410430881. The reversal of 20410430839 is 93803401402.

It is a cyclic number.

It is not a de Polignac number, because 20410430839 - 2¹¹ = 20410428791 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 (20410430939) 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, 12590449 + ... + 12592069.

It is an arithmetic number, because the mean of its divisors is an integer number (1304404290).

Almost surely, 2^20410430839 is an apocalyptic number.

20410430839 is a deficient number, since it is larger than the sum of its proper divisors (460037801).

20410430839 is a wasteful number, since it uses less digits than its factorization.

20410430839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 20410430839 in words is "twenty billion, four hundred ten million, four hundred thirty thousand, eight hundred thirty-nine".