2120455510 has 16 divisors (see below), whose sum is σ = 3828357072. Its totient is φ = 845618400.

The previous prime is 2120455501. The next prime is 2120455523. The reversal of 2120455510 is 155540212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317001 + ... + 323620.

It is an arithmetic number, because the mean of its divisors is an integer number (239272317).

Almost surely, 2^2120455510 is an apocalyptic number.

2120455510 is a deficient number, since it is larger than the sum of its proper divisors (1707901562).

2120455510 is a wasteful number, since it uses less digits than its factorization.

2120455510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640959.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2120455510 is about 46048.4039897150. The cubic root of 2120455510 is about 1284.7236578165.

Adding to 2120455510 its reverse (155540212), we get a palindrome (2275995722).

The spelling of 2120455510 in words is "two billion, one hundred twenty million, four hundred fifty-five thousand, five hundred ten".