2043021210 has 128 divisors (see below), whose sum is σ = 5208053760. Its totient is φ = 512179200.

The previous prime is 2043021209. The next prime is 2043021229. The reversal of 2043021210 is 121203402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2043021210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8921376 + ... + 8921604.

It is an arithmetic number, because the mean of its divisors is an integer number (40687920).

Almost surely, 2^2043021210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043021210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604026880).

2043021210 is an abundant number, since it is smaller than the sum of its proper divisors (3165032550).

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

2043021210 is a wasteful number, since it uses less digits than its factorization.

2043021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2043021210 is about 45199.7921455398. The cubic root of 2043021210 is about 1268.8909262600.

Adding to 2043021210 its reverse (121203402), we get a palindrome (2164224612).

It can be divided in two parts, 2043021 and 210, that added together give a triangular number (2043231 = T₂₀₂₁).

The spelling of 2043021210 in words is "two billion, forty-three million, twenty-one thousand, two hundred ten".