20140342430 has 32 divisors (see below), whose sum is σ = 39076327584. Its totient is φ = 7429758336.

The previous prime is 20140342427. The next prime is 20140342441. The reversal of 20140342430 is 3424304102.

It is a junction number, because it is equal to n+sod(n) for n = 20140342396 and 20140342405.

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, 77012 + ... + 214968.

It is an arithmetic number, because the mean of its divisors is an integer number (1221135237).

Almost surely, 2^20140342430 is an apocalyptic number.

20140342430 is a deficient number, since it is larger than the sum of its proper divisors (18935985154).

20140342430 is a wasteful number, since it uses less digits than its factorization.

20140342430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139100.

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

Adding to 20140342430 its reverse (3424304102), we get a palindrome (23564646532).

The spelling of 20140342430 in words is "twenty billion, one hundred forty million, three hundred forty-two thousand, four hundred thirty".