20530240035 has 32 divisors (see below), whose sum is σ = 33030063360. Its totient is φ = 10889040000.

The previous prime is 20530240033. The next prime is 20530240063. The reversal of 20530240035 is 53004203502.

It is not a de Polignac number, because 20530240035 - 2¹ = 20530240033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20530239987 and 20530240014.

It is not an unprimeable number, because it can be changed into a prime (20530240033) 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, 2665540 + ... + 2673230.

It is an arithmetic number, because the mean of its divisors is an integer number (1032189480).

Almost surely, 2^20530240035 is an apocalyptic number.

20530240035 is a deficient number, since it is larger than the sum of its proper divisors (12499823325).

20530240035 is a wasteful number, since it uses less digits than its factorization.

20530240035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8659.

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 20530240035 its reverse (53004203502), we get a palindrome (73534443537).

The spelling of 20530240035 in words is "twenty billion, five hundred thirty million, two hundred forty thousand, thirty-five".