2102010206 has 4 divisors (see below), whose sum is σ = 3153015312. Its totient is φ = 1051005102.

The previous prime is 2102010193. The next prime is 2102010221. The reversal of 2102010206 is 6020102012.

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

It is a super-2 number, since 2×2102010206² = 8836893812256324872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525502550 + ... + 525502553.

It is an arithmetic number, because the mean of its divisors is an integer number (788253828).

Almost surely, 2^2102010206 is an apocalyptic number.

2102010206 is a deficient number, since it is larger than the sum of its proper divisors (1051005106).

2102010206 is a wasteful number, since it uses less digits than its factorization.

2102010206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051005105.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2102010206 is about 45847.6848488558. The cubic root of 2102010206 is about 1280.9876422846.

Adding to 2102010206 its reverse (6020102012), we get a palindrome (8122112218).

The spelling of 2102010206 in words is "two billion, one hundred two million, ten thousand, two hundred six".