20063231430 has 192 divisors, whose sum is σ = 56178178560. Its totient is φ = 4572367360.

The previous prime is 20063231399. The next prime is 20063231437. The reversal of 20063231430 is 3413236002.

It is a self number, because there is not a number n which added to its sum of digits gives 20063231430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20063231437) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4923874 + ... + 4927946.

It is an arithmetic number, because the mean of its divisors is an integer number (292594680).

Almost surely, 2^20063231430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20063231430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28089089280).

20063231430 is an abundant number, since it is smaller than the sum of its proper divisors (36114947130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20063231430 is a wasteful number, since it uses less digits than its factorization.

20063231430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20063231430 its reverse (3413236002), we get a palindrome (23476467432).

The spelling of 20063231430 in words is "twenty billion, sixty-three million, two hundred thirty-one thousand, four hundred thirty".