20301000243 has 8 divisors (see below), whose sum is σ = 28492632000. Its totient is φ = 12821684328.

The previous prime is 20301000233. The next prime is 20301000253. The reversal of 20301000243 is 34200010302.

It is an interprime number because it is at equal distance from previous prime (20301000233) and next prime (20301000253).

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

It is not a de Polignac number, because 20301000243 - 2⁹ = 20300999731 is a prime.

It is a super-2 number, since 2×20301000243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20301000233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178078893 + ... + 178079006.

It is an arithmetic number, because the mean of its divisors is an integer number (3561579000).

Almost surely, 2^20301000243 is an apocalyptic number.

20301000243 is a deficient number, since it is larger than the sum of its proper divisors (8191631757).

20301000243 is a wasteful number, since it uses less digits than its factorization.

20301000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356157921.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20301000243 its reverse (34200010302), we get a palindrome (54501010545).

The spelling of 20301000243 in words is "twenty billion, three hundred one million, two hundred forty-three", and thus it is an aban number.