2000705155 has 4 divisors (see below), whose sum is σ = 2400846192. Its totient is φ = 1600564120.

The previous prime is 2000705081. The next prime is 2000705171. The reversal of 2000705155 is 5515070002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2000705155 - 2¹⁷ = 2000574083 is a prime.

It is a super-2 number, since 2×2000705155² = 8005642234487148050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200070511 + ... + 200070520.

It is an arithmetic number, because the mean of its divisors is an integer number (600211548).

Almost surely, 2^2000705155 is an apocalyptic number.

2000705155 is a deficient number, since it is larger than the sum of its proper divisors (400141037).

2000705155 is an equidigital number, since it uses as much as digits as its factorization.

2000705155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400141036.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 2000705155 is about 44729.2427277726. The cubic root of 2000705155 is about 1260.0691057672.

Adding to 2000705155 its reverse (5515070002), we get a palindrome (7515775157).

The spelling of 2000705155 in words is "two billion, seven hundred five thousand, one hundred fifty-five".