20321310130 has 32 divisors (see below), whose sum is σ = 40079499840. Its totient is φ = 7357005120.

The previous prime is 20321310109. The next prime is 20321310137. The reversal of 20321310130 is 3101312302.

It is not an unprimeable number, because it can be changed into a prime (20321310137) 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, 381945 + ... + 431884.

It is an arithmetic number, because the mean of its divisors is an integer number (1252484370).

Almost surely, 2^20321310130 is an apocalyptic number.

20321310130 is a deficient number, since it is larger than the sum of its proper divisors (19758189710).

20321310130 is a wasteful number, since it uses less digits than its factorization.

20321310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814074.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20321310130 its reverse (3101312302), we get a palindrome (23422622432).

The spelling of 20321310130 in words is "twenty billion, three hundred twenty-one million, three hundred ten thousand, one hundred thirty".