2120862450 has 48 divisors (see below), whose sum is σ = 6011133120. Its totient is φ = 484768320.

The previous prime is 2120862433. The next prime is 2120862461. The reversal of 2120862450 is 542680212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1008885 + ... + 1010984.

It is an arithmetic number, because the mean of its divisors is an integer number (125231940).

Almost surely, 2^2120862450 is an apocalyptic number.

2120862450 is an abundant number, since it is smaller than the sum of its proper divisors (3890270670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120862450 is a wasteful number, since it uses less digits than its factorization.

2120862450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019891 (or 2019886 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2120862450 is about 46052.8223890784. The cubic root of 2120862450 is about 1284.8058370153.

The spelling of 2120862450 in words is "two billion, one hundred twenty million, eight hundred sixty-two thousand, four hundred fifty".