2106020025 has 36 divisors (see below), whose sum is σ = 3793261680. Its totient is φ = 1116914400.

The previous prime is 2106020023. The next prime is 2106020041. The reversal of 2106020025 is 5200206012.

It is not a de Polignac number, because 2106020025 - 2¹ = 2106020023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2106020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14130 + ... + 66420.

It is an arithmetic number, because the mean of its divisors is an integer number (105368380).

Almost surely, 2^2106020025 is an apocalyptic number.

2106020025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2106020025 is a deficient number, since it is larger than the sum of its proper divisors (1687241655).

2106020025 is a wasteful number, since it uses less digits than its factorization.

2106020025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52486 (or 52478 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2106020025 is about 45891.3938010168. The cubic root of 2106020025 is about 1281.8016671741.

Adding to 2106020025 its reverse (5200206012), we get a palindrome (7306226037).

The spelling of 2106020025 in words is "two billion, one hundred six million, twenty thousand, twenty-five".