2021002010 has 16 divisors (see below), whose sum is σ = 3643710696. Its totient is φ = 807088128.

The previous prime is 2021001977. The next prime is 2021002031. The reversal of 2021002010 is 102001202.

It can be written as a sum of positive squares in 4 ways, for example, as 363779329 + 1657222681 = 19073^2 + 40709^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157607 + ... + 169946.

Almost surely, 2^2021002010 is an apocalyptic number.

2021002010 is a deficient number, since it is larger than the sum of its proper divisors (1622708686).

2021002010 is a wasteful number, since it uses less digits than its factorization.

2021002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328177.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2021002010 is about 44955.5559413962. Note that the first 3 decimals coincide. The cubic root of 2021002010 is about 1264.3158480876.

Adding to 2021002010 its reverse (102001202), we get a palindrome (2123003212).

The spelling of 2021002010 in words is "two billion, twenty-one million, two thousand, ten".