20340305535 has 16 divisors (see below), whose sum is σ = 35503079040. Its totient is φ = 9861966240.

The previous prime is 20340305521. The next prime is 20340305591. The reversal of 20340305535 is 53550304302.

It is not a de Polignac number, because 20340305535 - 2¹⁶ = 20340239999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61637125 + ... + 61637454.

It is an arithmetic number, because the mean of its divisors is an integer number (2218942440).

Almost surely, 2^20340305535 is an apocalyptic number.

20340305535 is a deficient number, since it is larger than the sum of its proper divisors (15162773505).

20340305535 is a wasteful number, since it uses less digits than its factorization.

20340305535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123274598.

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 20340305535 its reverse (53550304302), we get a palindrome (73890609837).

The spelling of 20340305535 in words is "twenty billion, three hundred forty million, three hundred five thousand, five hundred thirty-five".