2120203425 has 12 divisors (see below), whose sum is σ = 3505403120. Its totient is φ = 1130775120.

The previous prime is 2120203339. The next prime is 2120203441. The reversal of 2120203425 is 5243020212.

It is not a de Polignac number, because 2120203425 - 2¹⁰ = 2120202401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14134615 + ... + 14134764.

Almost surely, 2^2120203425 is an apocalyptic number.

2120203425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2120203425 is a deficient number, since it is larger than the sum of its proper divisors (1385199695).

2120203425 is a wasteful number, since it uses less digits than its factorization.

2120203425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28269392 (or 28269387 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2120203425 is about 46045.6667342324. Note that the first 3 decimals coincide. The cubic root of 2120203425 is about 1284.6727454227.

Adding to 2120203425 its reverse (5243020212), we get a palindrome (7363223637).

The spelling of 2120203425 in words is "two billion, one hundred twenty million, two hundred three thousand, four hundred twenty-five".