20535103435 has 64 divisors (see below), whose sum is σ = 32521927680. Its totient is φ = 12071969280.

The previous prime is 20535103399. The next prime is 20535103469. The reversal of 20535103435 is 53430153502.

It is not a de Polignac number, because 20535103435 - 2⁹ = 20535102923 is a prime.

It is a super-2 number, since 2×20535103435² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20535103397 and 20535103406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 458709 + ... + 501481.

It is an arithmetic number, because the mean of its divisors is an integer number (508155120).

Almost surely, 2^20535103435 is an apocalyptic number.

20535103435 is a deficient number, since it is larger than the sum of its proper divisors (11986824245).

20535103435 is a wasteful number, since it uses less digits than its factorization.

20535103435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42868.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 20535103435 its reverse (53430153502), we get a palindrome (73965256937).

The spelling of 20535103435 in words is "twenty billion, five hundred thirty-five million, one hundred three thousand, four hundred thirty-five".