200000002120 has 64 divisors (see below), whose sum is σ = 460576290240. Its totient is φ = 78120672000.

The previous prime is 200000002093. The next prime is 200000002133. The reversal of 200000002120 is 21200000002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8676210 + ... + 8699230.

It is an arithmetic number, because the mean of its divisors is an integer number (7196504535).

Almost surely, 2^200000002120 is an apocalyptic number.

200000002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000002120 is an abundant number, since it is smaller than the sum of its proper divisors (260576288120).

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

200000002120 is a wasteful number, since it uses less digits than its factorization.

200000002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28126 (or 28122 counting only the distinct ones).

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

Adding to 200000002120 its reverse (21200000002), we get a palindrome (221200002122).

The spelling of 200000002120 in words is "two hundred billion, two thousand, one hundred twenty".