2120450355 has 24 divisors (see below), whose sum is σ = 3753652032. Its totient is φ = 1106843904.

The previous prime is 2120450317. The next prime is 2120450363. The reversal of 2120450355 is 5530540212.

It is a happy number.

It is not a de Polignac number, because 2120450355 - 2⁶ = 2120450291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499174 + ... + 503403.

It is an arithmetic number, because the mean of its divisors is an integer number (156402168).

Almost surely, 2^2120450355 is an apocalyptic number.

2120450355 is a deficient number, since it is larger than the sum of its proper divisors (1633201677).

2120450355 is a wasteful number, since it uses less digits than its factorization.

2120450355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002635 (or 1002632 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2120450355 is about 46048.3480159712. The cubic root of 2120450355 is about 1284.7226167264.

Adding to 2120450355 its reverse (5530540212), we get a palindrome (7650990567).

The spelling of 2120450355 in words is "two billion, one hundred twenty million, four hundred fifty thousand, three hundred fifty-five".