2029227220 has 24 divisors (see below), whose sum is σ = 4331238408. Its totient is φ = 798384000.

The previous prime is 2029227163. The next prime is 2029227269. The reversal of 2029227220 is 227229202.

It can be written as a sum of positive squares in 4 ways, for example, as 3147076 + 2026080144 = 1774^2 + 45012^2 .

It is a super-2 number, since 2×2029227220² = 8235526220777856800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 830431 + ... + 832870.

It is an arithmetic number, because the mean of its divisors is an integer number (180468267).

Almost surely, 2^2029227220 is an apocalyptic number.

2029227220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2029227220 is an abundant number, since it is smaller than the sum of its proper divisors (2302011188).

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

2029227220 is a wasteful number, since it uses less digits than its factorization.

2029227220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663371 (or 1663369 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2029227220 is about 45046.9446244693. The cubic root of 2029227220 is about 1266.0287257004.

The spelling of 2029227220 in words is "two billion, twenty-nine million, two hundred twenty-seven thousand, two hundred twenty".