20302232130 has 96 divisors (see below), whose sum is σ = 55421496000. Its totient is φ = 5149178496.

The previous prime is 20302232129. The next prime is 20302232131. The reversal of 20302232130 is 3123220302.

It is a happy number.

20302232130 is a `hidden beast` number, since 2 + 0 + 302 + 232 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (20302232129) and next prime (20302232131).

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

It is not an unprimeable number, because it can be changed into a prime (20302232131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116821 + ... + 232919.

It is an arithmetic number, because the mean of its divisors is an integer number (577307250).

Almost surely, 2^20302232130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20302232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27710748000).

20302232130 is an abundant number, since it is smaller than the sum of its proper divisors (35119263870).

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

20302232130 is a wasteful number, since it uses less digits than its factorization.

20302232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116208 (or 116205 counting only the distinct ones).

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

Adding to 20302232130 its reverse (3123220302), we get a palindrome (23425452432).

The spelling of 20302232130 in words is "twenty billion, three hundred two million, two hundred thirty-two thousand, one hundred thirty".