1980850120 has 32 divisors (see below), whose sum is σ = 4489457400. Its totient is φ = 786554368.

The previous prime is 1980850103. The next prime is 1980850141. The reversal of 1980850120 is 210580891.

It can be written as a sum of positive squares in 4 ways, for example, as 1864339684 + 116510436 = 43178^2 + 10794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175255 + ... + 186214.

Almost surely, 2^1980850120 is an apocalyptic number.

1980850120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980850120 is an abundant number, since it is smaller than the sum of its proper divisors (2508607280).

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

1980850120 is a wasteful number, since it uses less digits than its factorization.

1980850120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361617 (or 361613 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 1980850120 is about 44506.7424105607. The cubic root of 1980850120 is about 1255.8869240434.

The spelling of 1980850120 in words is "one billion, nine hundred eighty million, eight hundred fifty thousand, one hundred twenty".