1980002700 has 216 divisors, whose sum is σ = 6721878800. Its totient is φ = 484600320.

The previous prime is 1980002683. The next prime is 1980002701. The reversal of 1980002700 is 72000891.

It is not an unprimeable number, because it can be changed into a prime (1980002701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2678931 + ... + 2679669.

Almost surely, 2^1980002700 is an apocalyptic number.

1980002700 is a gapful number since it is divisible by the number (10) 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 1980002700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3360939400).

1980002700 is an abundant number, since it is smaller than the sum of its proper divisors (4741876100).

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

1980002700 is a wasteful number, since it uses less digits than its factorization.

1980002700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1980002700 is about 44497.2212615574. The cubic root of 1980002700 is about 1255.7078064196.

The spelling of 1980002700 in words is "one billion, nine hundred eighty million, two thousand, seven hundred".