202012021010 has 16 divisors (see below), whose sum is σ = 368224444800. Its totient is φ = 79781962416.

The previous prime is 202012021009. The next prime is 202012021039. The reversal of 202012021010 is 10120210202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202012020982 and 202012021000.

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, 127854920 + ... + 127856499.

It is an arithmetic number, because the mean of its divisors is an integer number (23014027800).

Almost surely, 2^202012021010 is an apocalyptic number.

202012021010 is a deficient number, since it is larger than the sum of its proper divisors (166212423790).

202012021010 is a wasteful number, since it uses less digits than its factorization.

202012021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255711505.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202012021010 its reverse (10120210202), we get a palindrome (212132231212).

The spelling of 202012021010 in words is "two hundred two billion, twelve million, twenty-one thousand, ten".