20120110340 has 24 divisors (see below), whose sum is σ = 46093344192. Its totient is φ = 7316403680.

The previous prime is 20120110279. The next prime is 20120110343. The reversal of 20120110340 is 4301102102.

It is not an unprimeable number, because it can be changed into a prime (20120110343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45727304 + ... + 45727743.

It is an arithmetic number, because the mean of its divisors is an integer number (1920556008).

Almost surely, 2^20120110340 is an apocalyptic number.

20120110340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120110340 is an abundant number, since it is smaller than the sum of its proper divisors (25973233852).

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

20120110340 is a wasteful number, since it uses less digits than its factorization.

20120110340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91455067 (or 91455065 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20120110340 its reverse (4301102102), we get a palindrome (24421212442).

The spelling of 20120110340 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, three hundred forty".