20443304130 has 64 divisors (see below), whose sum is σ = 51216703488. Its totient is φ = 5212532160.

The previous prime is 20443304041. The next prime is 20443304159. The reversal of 20443304130 is 3140334402.

It is a self number, because there is not a number n which added to its sum of digits gives 20443304130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2832987 + ... + 2840193.

It is an arithmetic number, because the mean of its divisors is an integer number (800260992).

Almost surely, 2^20443304130 is an apocalyptic number.

20443304130 is an abundant number, since it is smaller than the sum of its proper divisors (30773399358).

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

20443304130 is a wasteful number, since it uses less digits than its factorization.

20443304130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20443304130 its reverse (3140334402), we get a palindrome (23583638532).

The spelling of 20443304130 in words is "twenty billion, four hundred forty-three million, three hundred four thousand, one hundred thirty".