2090218770 has 160 divisors (see below), whose sum is σ = 5779453680. Its totient is φ = 541831680.

The previous prime is 2090218769. The next prime is 2090218789. The reversal of 2090218770 is 778120902.

It can be written as a sum of positive squares in 8 ways, for example, as 104714289 + 1985504481 = 10233^2 + 44559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7770196 + ... + 7770464.

Almost surely, 2^2090218770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090218770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889726840).

2090218770 is an abundant number, since it is smaller than the sum of its proper divisors (3689234910).

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

2090218770 is a wasteful number, since it uses less digits than its factorization.

2090218770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 2090218770 is about 45718.9104200877. The cubic root of 2090218770 is about 1278.5878734266.

The spelling of 2090218770 in words is "two billion, ninety million, two hundred eighteen thousand, seven hundred seventy".