20013202430 has 32 divisors (see below), whose sum is σ = 38803441824. Its totient is φ = 7387848576.

The previous prime is 20013202421. The next prime is 20013202457. The reversal of 20013202430 is 3420231002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20013202399 and 20013202408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678857 + ... + 707723.

It is an arithmetic number, because the mean of its divisors is an integer number (1212607557).

Almost surely, 2^20013202430 is an apocalyptic number.

20013202430 is a deficient number, since it is larger than the sum of its proper divisors (18790239394).

20013202430 is a wasteful number, since it uses less digits than its factorization.

20013202430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34220.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20013202430 its reverse (3420231002), we get a palindrome (23433433432).

The spelling of 20013202430 in words is "twenty billion, thirteen million, two hundred two thousand, four hundred thirty".