230020747847 has 16 divisors (see below), whose sum is σ = 253451427840. Its totient is φ = 207010596000.

The previous prime is 230020747829. The next prime is 230020747903. The reversal of 230020747847 is 748747020032.

It is a cyclic number.

It is not a de Polignac number, because 230020747847 - 2³⁰ = 228947006023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230020747798 and 230020747807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230020740847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15705554 + ... + 15720192.

It is an arithmetic number, because the mean of its divisors is an integer number (15840714240).

Almost surely, 2^230020747847 is an apocalyptic number.

230020747847 is a deficient number, since it is larger than the sum of its proper divisors (23430679993).

230020747847 is a wasteful number, since it uses less digits than its factorization.

230020747847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28894.

The product of its (nonzero) digits is 526848, while the sum is 44.

Adding to 230020747847 its reverse (748747020032), we get a palindrome (978767767879).

The spelling of 230020747847 in words is "two hundred thirty billion, twenty million, seven hundred forty-seven thousand, eight hundred forty-seven".