2120003253 has 16 divisors (see below), whose sum is σ = 3165480960. Its totient is φ = 1402204608.

The previous prime is 2120003251. The next prime is 2120003273. The reversal of 2120003253 is 3523000212.

It is not a de Polignac number, because 2120003253 - 2¹ = 2120003251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120003251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305700 + ... + 312557.

It is an arithmetic number, because the mean of its divisors is an integer number (197842560).

Almost surely, 2^2120003253 is an apocalyptic number.

It is an amenable number.

2120003253 is a deficient number, since it is larger than the sum of its proper divisors (1045477707).

2120003253 is a wasteful number, since it uses less digits than its factorization.

2120003253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618393 (or 618387 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2120003253 is about 46043.4930581944. The cubic root of 2120003253 is about 1284.6323147730.

Adding to 2120003253 its reverse (3523000212), we get a palindrome (5643003465).

The spelling of 2120003253 in words is "two billion, one hundred twenty million, three thousand, two hundred fifty-three".