202120212010 has 16 divisors (see below), whose sum is σ = 366258105000. Its totient is φ = 80305479616.

The previous prime is 202120212001. The next prime is 202120212023. The reversal of 202120212010 is 10212021202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159617029441 + 42503182569 = 399521^2 + 206163^2 .

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, 67824085 + ... + 67827064.

Almost surely, 2^202120212010 is an apocalyptic number.

202120212010 is a deficient number, since it is larger than the sum of its proper divisors (164137892990).

202120212010 is a wasteful number, since it uses less digits than its factorization.

202120212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135651305.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202120212010 its reverse (10212021202), we get a palindrome (212332233212).

The spelling of 202120212010 in words is "two hundred two billion, one hundred twenty million, two hundred twelve thousand, ten".