20112320130 has 64 divisors (see below), whose sum is σ = 55829910528. Its totient is φ = 4541711040.

The previous prime is 20112320119. The next prime is 20112320131. The reversal of 20112320130 is 3102321102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20112320131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559516 + ... + 594375.

It is an arithmetic number, because the mean of its divisors is an integer number (872342352).

Almost surely, 2^20112320130 is an apocalyptic number.

20112320130 is an abundant number, since it is smaller than the sum of its proper divisors (35717590398).

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

20112320130 is a wasteful number, since it uses less digits than its factorization.

20112320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153991.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20112320130 its reverse (3102321102), we get a palindrome (23214641232).

The spelling of 20112320130 in words is "twenty billion, one hundred twelve million, three hundred twenty thousand, one hundred thirty".