2162203620 has 24 divisors (see below), whose sum is σ = 6054170304. Its totient is φ = 576587616.

The previous prime is 2162203597. The next prime is 2162203661. The reversal of 2162203620 is 263022612.

It is a super-2 number, since 2×2162203620² = 9350248988682208800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18018304 + ... + 18018423.

It is an arithmetic number, because the mean of its divisors is an integer number (252257096).

Almost surely, 2^2162203620 is an apocalyptic number.

2162203620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162203620 is an abundant number, since it is smaller than the sum of its proper divisors (3891966684).

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

2162203620 is a wasteful number, since it uses less digits than its factorization.

2162203620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36036739 (or 36036737 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2162203620 is about 46499.5012876482. The cubic root of 2162203620 is about 1293.1002530756.

The spelling of 2162203620 in words is "two billion, one hundred sixty-two million, two hundred three thousand, six hundred twenty".