20301400043 has 4 divisors (see below), whose sum is σ = 20437651200. Its totient is φ = 20165148888.

The previous prime is 20301399953. The next prime is 20301400129. The reversal of 20301400043 is 34000410302.

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

It is a cyclic number.

It is not a de Polignac number, because 20301400043 - 2¹⁶ = 20301334507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20301399994 and 20301400030.

It is not an unprimeable number, because it can be changed into a prime (20301400543) 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, 68125355 + ... + 68125652.

It is an arithmetic number, because the mean of its divisors is an integer number (5109412800).

Almost surely, 2^20301400043 is an apocalyptic number.

20301400043 is a deficient number, since it is larger than the sum of its proper divisors (136251157).

20301400043 is a wasteful number, since it uses less digits than its factorization.

20301400043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136251156.

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

Adding to 20301400043 its reverse (34000410302), we get a palindrome (54301810345).

The spelling of 20301400043 in words is "twenty billion, three hundred one million, four hundred thousand, forty-three".