2120253434 has 16 divisors (see below), whose sum is σ = 3605290080. Its totient is φ = 927074160.

The previous prime is 2120253431. The next prime is 2120253437. The reversal of 2120253434 is 4343520212.

It is an interprime number because it is at equal distance from previous prime (2120253431) and next prime (2120253437).

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 2145512 + ... + 2146499.

It is an arithmetic number, because the mean of its divisors is an integer number (225330630).

Almost surely, 2^2120253434 is an apocalyptic number.

2120253434 is a deficient number, since it is larger than the sum of its proper divisors (1485036646).

2120253434 is a wasteful number, since it uses less digits than its factorization.

2120253434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292045.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2120253434 is about 46046.2097680146. The cubic root of 2120253434 is about 1284.6828458205.

Adding to 2120253434 its reverse (4343520212), we get a palindrome (6463773646).

The spelling of 2120253434 in words is "two billion, one hundred twenty million, two hundred fifty-three thousand, four hundred thirty-four".