2120253435 has 32 divisors (see below), whose sum is σ = 3771279360. Its totient is φ = 1130220000.

The previous prime is 2120253431. The next prime is 2120253437. The reversal of 2120253435 is 5343520212.

It is a happy number.

2120253435 is a `hidden beast` number, since 2 + 120 + 2 + 534 + 3 + 5 = 666.

It is not a de Polignac number, because 2120253435 - 2² = 2120253431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2120253399 and 2120253408.

It is not an unprimeable number, because it can be changed into a prime (2120253431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436470 + ... + 441300.

It is an arithmetic number, because the mean of its divisors is an integer number (117852480).

Almost surely, 2^2120253435 is an apocalyptic number.

2120253435 is a deficient number, since it is larger than the sum of its proper divisors (1651025925).

2120253435 is a wasteful number, since it uses less digits than its factorization.

2120253435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096 (or 8090 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2120253435 is about 46046.2097788732. The cubic root of 2120253435 is about 1284.6828460225.

Adding to 2120253435 its reverse (5343520212), we get a palindrome (7463773647).

The spelling of 2120253435 in words is "two billion, one hundred twenty million, two hundred fifty-three thousand, four hundred thirty-five".