202022010 has 24 divisors (see below), whose sum is σ = 525257460. Its totient is φ = 53872512.

The previous prime is 202021993. The next prime is 202022011. The reversal of 202022010 is 10220202.

It can be written as a sum of positive squares in 2 ways, for example, as 196532361 + 5489649 = 14019^2 + 2343^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202021983 and 202022001.

It is not an unprimeable number, because it can be changed into a prime (202022011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122255 + ... + 1122434.

Almost surely, 2^202022010 is an apocalyptic number.

202022010 is an abundant number, since it is smaller than the sum of its proper divisors (323235450).

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

202022010 is a wasteful number, since it uses less digits than its factorization.

202022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244702 (or 2244699 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202022010 is about 14213.4446915588. Note that the first 3 decimals coincide. The cubic root of 202022010 is about 586.7677407781.

Adding to 202022010 its reverse (10220202), we get a palindrome (212242212).

The spelling of 202022010 in words is "two hundred two million, twenty-two thousand, ten".