20530345435 has 8 divisors (see below), whose sum is σ = 24760216800. Its totient is φ = 16341741504.

The previous prime is 20530345421. The next prime is 20530345487. The reversal of 20530345435 is 53454303502.

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 20530345435 - 2⁵ = 20530345403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20530345435.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10315762 + ... + 10317751.

It is an arithmetic number, because the mean of its divisors is an integer number (3095027100).

Almost surely, 2^20530345435 is an apocalyptic number.

20530345435 is a deficient number, since it is larger than the sum of its proper divisors (4229871365).

20530345435 is a wasteful number, since it uses less digits than its factorization.

20530345435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20633717.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 20530345435 its reverse (53454303502), we get a palindrome (73984648937).

The spelling of 20530345435 in words is "twenty billion, five hundred thirty million, three hundred forty-five thousand, four hundred thirty-five".