2035220891 has 12 divisors (see below), whose sum is σ = 2343250584. Its totient is φ = 1752818400.

The previous prime is 2035220881. The next prime is 2035220911. The reversal of 2035220891 is 1980225302.

It is a happy number.

It is not a de Polignac number, because 2035220891 - 2⁶ = 2035220827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2035220821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252290 + ... + 260231.

It is an arithmetic number, because the mean of its divisors is an integer number (195270882).

Almost surely, 2^2035220891 is an apocalyptic number.

2035220891 is a deficient number, since it is larger than the sum of its proper divisors (308029693).

2035220891 is a wasteful number, since it uses less digits than its factorization.

2035220891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512570 (or 512551 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2035220891 is about 45113.4225148126. The cubic root of 2035220891 is about 1267.2739782184.

The spelling of 2035220891 in words is "two billion, thirty-five million, two hundred twenty thousand, eight hundred ninety-one".