20305024430 has 32 divisors (see below), whose sum is σ = 36760863744. Its totient is φ = 8074999296.

The previous prime is 20305024429. The next prime is 20305024471. The reversal of 20305024430 is 3442050302.

It is a junction number, because it is equal to n+sod(n) for n = 20305024396 and 20305024405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3687059 + ... + 3692561.

It is an arithmetic number, because the mean of its divisors is an integer number (1148776992).

Almost surely, 2^20305024430 is an apocalyptic number.

20305024430 is a deficient number, since it is larger than the sum of its proper divisors (16455839314).

20305024430 is a wasteful number, since it uses less digits than its factorization.

20305024430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20305024430 its reverse (3442050302), we get a palindrome (23747074732).

The spelling of 20305024430 in words is "twenty billion, three hundred five million, twenty-four thousand, four hundred thirty".