2021432200 has 24 divisors (see below), whose sum is σ = 4699830330. Its totient is φ = 808572800.

The previous prime is 2021432183. The next prime is 2021432201. The reversal of 2021432200 is 22341202.

It can be written as a sum of positive squares in 3 ways, for example, as 900120004 + 1121312196 = 30002^2 + 33486^2 .

It is not an unprimeable number, because it can be changed into a prime (2021432201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5053381 + ... + 5053780.

Almost surely, 2^2021432200 is an apocalyptic number.

2021432200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021432200 is an abundant number, since it is smaller than the sum of its proper divisors (2678398130).

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

2021432200 is a wasteful number, since it uses less digits than its factorization.

2021432200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107177 (or 10107168 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2021432200 is about 44960.3403012032. The cubic root of 2021432200 is about 1264.4055490454.

Adding to 2021432200 its reverse (22341202), we get a palindrome (2043773402).

The spelling of 2021432200 in words is "two billion, twenty-one million, four hundred thirty-two thousand, two hundred".