202011020 has 24 divisors (see below), whose sum is σ = 425993568. Its totient is φ = 80467200.

The previous prime is 202011011. The next prime is 202011041. The reversal of 202011020 is 20110202.

It is a junction number, because it is equal to n+sod(n) for n = 202010989 and 202011007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16136 + ... + 25775.

It is an arithmetic number, because the mean of its divisors is an integer number (17749732).

Almost surely, 2^202011020 is an apocalyptic number.

202011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011020 is an abundant number, since it is smaller than the sum of its proper divisors (223982548).

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

202011020 is a wasteful number, since it uses less digits than its factorization.

202011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42161 (or 42159 counting only the distinct ones).

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

The square root of 202011020 is about 14213.0580805117. The cubic root of 202011020 is about 586.7571005276.

Adding to 202011020 its reverse (20110202), we get a palindrome (222121222).

The spelling of 202011020 in words is "two hundred two million, eleven thousand, twenty".