20343104130 has 32 divisors (see below), whose sum is σ = 48827736000. Its totient is φ = 5424351552.

The previous prime is 20343104087. The next prime is 20343104137. The reversal of 20343104130 is 3140134302.

It is a junction number, because it is equal to n+sod(n) for n = 20343104097 and 20343104106.

It is not an unprimeable number, because it can be changed into a prime (20343104137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438381 + ... + 482559.

It is an arithmetic number, because the mean of its divisors is an integer number (1525866750).

Almost surely, 2^20343104130 is an apocalyptic number.

20343104130 is an abundant number, since it is smaller than the sum of its proper divisors (28484631870).

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

20343104130 is a wasteful number, since it uses less digits than its factorization.

20343104130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59538.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20343104130 its reverse (3140134302), we get a palindrome (23483238432).

The spelling of 20343104130 in words is "twenty billion, three hundred forty-three million, one hundred four thousand, one hundred thirty".