2120154014 has 24 divisors (see below), whose sum is σ = 3701258064. Its totient is φ = 907016000.

The previous prime is 2120153989. The next prime is 2120154019. The reversal of 2120154014 is 4104510212.

It is a happy number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120154019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253562 + ... + 261789.

It is an arithmetic number, because the mean of its divisors is an integer number (154219086).

Almost surely, 2^2120154014 is an apocalyptic number.

2120154014 is a deficient number, since it is larger than the sum of its proper divisors (1581104050).

2120154014 is a wasteful number, since it uses less digits than its factorization.

2120154014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515392 (or 515381 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2120154014 is about 46045.1301876757. The cubic root of 2120154014 is about 1284.6627656479.

Adding to 2120154014 its reverse (4104510212), we get a palindrome (6224664226).

The spelling of 2120154014 in words is "two billion, one hundred twenty million, one hundred fifty-four thousand, fourteen".