2122550520 has 64 divisors (see below), whose sum is σ = 6515752320. Its totient is φ = 552849024.

The previous prime is 2122550497. The next prime is 2122550533. The reversal of 2122550520 is 250552212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200514 + ... + 210833.

It is an arithmetic number, because the mean of its divisors is an integer number (101808630).

Almost surely, 2^2122550520 is an apocalyptic number.

2122550520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122550520 is an abundant number, since it is smaller than the sum of its proper divisors (4393201800).

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

2122550520 is a wasteful number, since it uses less digits than its factorization.

2122550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411404 (or 411400 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2122550520 is about 46071.1462848495. The cubic root of 2122550520 is about 1285.1466208670.

The spelling of 2122550520 in words is "two billion, one hundred twenty-two million, five hundred fifty thousand, five hundred twenty".