20301103043 has 4 divisors (see below), whose sum is σ = 21862726368. Its totient is φ = 18739479720.

The previous prime is 20301103003. The next prime is 20301103063. The reversal of 20301103043 is 34030110302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-20301103043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301103003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780811643 + ... + 780811668.

It is an arithmetic number, because the mean of its divisors is an integer number (5465681592).

Almost surely, 2^20301103043 is an apocalyptic number.

20301103043 is a deficient number, since it is larger than the sum of its proper divisors (1561623325).

20301103043 is a wasteful number, since it uses less digits than its factorization.

20301103043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561623324.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20301103043 its reverse (34030110302), we get a palindrome (54331213345).

The spelling of 20301103043 in words is "twenty billion, three hundred one million, one hundred three thousand, forty-three".