20103032430 has 96 divisors (see below), whose sum is σ = 56966940576. Its totient is φ = 4888795392.

The previous prime is 20103032419. The next prime is 20103032461. The reversal of 20103032430 is 3423030102.

20103032430 is a `hidden beast` number, since 201 + 0 + 3 + 0 + 32 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6397 + ... + 200616.

It is an arithmetic number, because the mean of its divisors is an integer number (593405631).

Almost surely, 2^20103032430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20103032430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28483470288).

20103032430 is an abundant number, since it is smaller than the sum of its proper divisors (36863908146).

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

20103032430 is a wasteful number, since it uses less digits than its factorization.

20103032430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207122 (or 207119 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20103032430 its reverse (3423030102), we get a palindrome (23526062532).

The spelling of 20103032430 in words is "twenty billion, one hundred three million, thirty-two thousand, four hundred thirty".