2110020405 has 16 divisors (see below), whose sum is σ = 3408812160. Its totient is φ = 1114417728.

The previous prime is 2110020383. The next prime is 2110020443. The reversal of 2110020405 is 5040200112.

It is not a de Polignac number, because 2110020405 - 2⁵ = 2110020373 is a prime.

It is a super-2 number, since 2×2110020405² = 8904372219032728050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681310 + ... + 684399.

It is an arithmetic number, because the mean of its divisors is an integer number (213050760).

Almost surely, 2^2110020405 is an apocalyptic number.

It is an amenable number.

2110020405 is a deficient number, since it is larger than the sum of its proper divisors (1298791755).

2110020405 is a wasteful number, since it uses less digits than its factorization.

2110020405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365820.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2110020405 is about 45934.9584194870. The cubic root of 2110020405 is about 1282.6127469096.

Adding to 2110020405 its reverse (5040200112), we get a palindrome (7150220517).

The spelling of 2110020405 in words is "two billion, one hundred ten million, twenty thousand, four hundred five".