20130432242 has 16 divisors (see below), whose sum is σ = 31564262400. Its totient is φ = 9617231520.

The previous prime is 20130432239. The next prime is 20130432277. The reversal of 20130432242 is 24223403102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050067 + ... + 2059862.

It is an arithmetic number, because the mean of its divisors is an integer number (1972766400).

Almost surely, 2^20130432242 is an apocalyptic number.

20130432242 is a deficient number, since it is larger than the sum of its proper divisors (11433830158).

20130432242 is a wasteful number, since it uses less digits than its factorization.

20130432242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110041.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20130432242 its reverse (24223403102), we get a palindrome (44353835344).

The spelling of 20130432242 in words is "twenty billion, one hundred thirty million, four hundred thirty-two thousand, two hundred forty-two".