2120430455 has 48 divisors (see below), whose sum is σ = 3042984672. Its totient is φ = 1398412800.

The previous prime is 2120430443. The next prime is 2120430469. The reversal of 2120430455 is 5540340212.

It is a happy number.

It is not a de Polignac number, because 2120430455 - 2⁶ = 2120430391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2660117 + ... + 2660913.

It is an arithmetic number, because the mean of its divisors is an integer number (63395514).

Almost surely, 2^2120430455 is an apocalyptic number.

2120430455 is a deficient number, since it is larger than the sum of its proper divisors (922554217).

2120430455 is a wasteful number, since it uses less digits than its factorization.

2120430455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2120430455 is about 46048.1319382231. The cubic root of 2120430455 is about 1284.7185977593.

Adding to 2120430455 its reverse (5540340212), we get a palindrome (7660770667).

The spelling of 2120430455 in words is "two billion, one hundred twenty million, four hundred thirty thousand, four hundred fifty-five".