2080817100 has 360 divisors, whose sum is σ = 7112076048. Its totient is φ = 525657600.

The previous prime is 2080817059. The next prime is 2080817113. The reversal of 2080817100 is 17180802.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15884035 + ... + 15884165.

Almost surely, 2^2080817100 is an apocalyptic number.

2080817100 is a gapful number since it is divisible by the number (20) 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 2080817100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556038024).

2080817100 is an abundant number, since it is smaller than the sum of its proper divisors (5031258948).

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

2080817100 is a wasteful number, since it uses less digits than its factorization.

2080817100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 2080817100 is about 45615.9741757205. The cubic root of 2080817100 is about 1276.6679899486.

Adding to 2080817100 its reverse (17180802), we get a palindrome (2097997902).

The spelling of 2080817100 in words is "two billion, eighty million, eight hundred seventeen thousand, one hundred".