20340043030 has 8 divisors (see below), whose sum is σ = 36612077472. Its totient is φ = 8136017208.

The previous prime is 20340043027. The next prime is 20340043043. The reversal of 20340043030 is 3034004302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20340042989 and 20340043007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017002142 + ... + 1017002161.

It is an arithmetic number, because the mean of its divisors is an integer number (4576509684).

Almost surely, 2^20340043030 is an apocalyptic number.

20340043030 is a deficient number, since it is larger than the sum of its proper divisors (16272034442).

20340043030 is a wasteful number, since it uses less digits than its factorization.

20340043030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034004310.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20340043030 its reverse (3034004302), we get a palindrome (23374047332).

The spelling of 20340043030 in words is "twenty billion, three hundred forty million, forty-three thousand, thirty".