2000020120 has 32 divisors (see below), whose sum is σ = 5142909600. Its totient is φ = 685721088.

The previous prime is 2000020117. The next prime is 2000020129. The reversal of 2000020120 is 210200002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571185 + ... + 3571744.

It is an arithmetic number, because the mean of its divisors is an integer number (160715925).

Almost surely, 2^2000020120 is an apocalyptic number.

2000020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000020120 is an abundant number, since it is smaller than the sum of its proper divisors (3142889480).

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

2000020120 is a wasteful number, since it uses less digits than its factorization.

2000020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142947 (or 7142943 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2000020120 is about 44721.5844978686. The cubic root of 2000020120 is about 1259.9252748160.

Adding to 2000020120 its reverse (210200002), we get a palindrome (2210220122).

The spelling of 2000020120 in words is "two billion, twenty thousand, one hundred twenty".