2030405120 has 80 divisors (see below), whose sum is σ = 4901806800. Its totient is φ = 806559744.

The previous prime is 2030405107. The next prime is 2030405129. The reversal of 2030405120 is 215040302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030405129) 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, 378779 + ... + 384101.

It is an arithmetic number, because the mean of its divisors is an integer number (61272585).

Almost surely, 2^2030405120 is an apocalyptic number.

2030405120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2030405120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2450903400).

2030405120 is an abundant number, since it is smaller than the sum of its proper divisors (2871401680).

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

2030405120 is an equidigital number, since it uses as much as digits as its factorization.

2030405120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2030405120 is about 45060.0168663972. The cubic root of 2030405120 is about 1266.2736410673.

Adding to 2030405120 its reverse (215040302), we get a palindrome (2245445422).

The spelling of 2030405120 in words is "two billion, thirty million, four hundred five thousand, one hundred twenty".