20352430513 has 8 divisors (see below), whose sum is σ = 20611229760. Its totient is φ = 20094754800.

The previous prime is 20352430459. The next prime is 20352430523. The reversal of 20352430513 is 31503425302.

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 20352430513 - 2⁹ = 20352430001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20352430523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244395 + ... + 316912.

It is an arithmetic number, because the mean of its divisors is an integer number (2576403720).

Almost surely, 2^20352430513 is an apocalyptic number.

It is an amenable number.

20352430513 is a deficient number, since it is larger than the sum of its proper divisors (258799247).

20352430513 is a wasteful number, since it uses less digits than its factorization.

20352430513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561767.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 20352430513 its reverse (31503425302), we get a palindrome (51855855815).

The spelling of 20352430513 in words is "twenty billion, three hundred fifty-two million, four hundred thirty thousand, five hundred thirteen".