200102030120 has 64 divisors (see below), whose sum is σ = 464577800400. Its totient is φ = 77518520320.

The previous prime is 200102030111. The next prime is 200102030129. The reversal of 200102030120 is 21030201002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200102030111) and next prime (200102030129).

It can be written as a sum of positive squares in 8 ways, for example, as 89581687204 + 110520342916 = 299302^2 + 332446^2 .

It is not an unprimeable number, because it can be changed into a prime (200102030129) 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 15 ways as a sum of consecutive naturals, for example, 220625 + ... + 669984.

Almost surely, 2^200102030120 is an apocalyptic number.

200102030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200102030120 is an abundant number, since it is smaller than the sum of its proper divisors (264475770280).

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

200102030120 is a wasteful number, since it uses less digits than its factorization.

200102030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890798 (or 890794 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 200102030120 its reverse (21030201002), we get a palindrome (221132231122).

The spelling of 200102030120 in words is "two hundred billion, one hundred two million, thirty thousand, one hundred twenty".