2102033780 has 72 divisors (see below), whose sum is σ = 5545244544. Its totient is φ = 655174080.

The previous prime is 2102033777. The next prime is 2102033803. The reversal of 2102033780 is 873302012.

It is a super-2 number, since 2×2102033780² = 8837092024522176800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45104 + ... + 78983.

Almost surely, 2^2102033780 is an apocalyptic number.

2102033780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102033780 is an abundant number, since it is smaller than the sum of its proper divisors (3443210764).

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

2102033780 is a wasteful number, since it uses less digits than its factorization.

2102033780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124125 (or 124112 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2102033780 is about 45847.9419385429. The cubic root of 2102033780 is about 1280.9924310165.

Adding to 2102033780 its reverse (873302012), we get a palindrome (2975335792).

The spelling of 2102033780 in words is "two billion, one hundred two million, thirty-three thousand, seven hundred eighty".