202068890 has 8 divisors (see below), whose sum is σ = 363724020. Its totient is φ = 80827552.

The previous prime is 202068863. The next prime is 202068899. The reversal of 202068890 is 98860202.

202068890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184987201 + 17081689 = 13601^2 + 4133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202068890.

It is not an unprimeable number, because it can be changed into a prime (202068899) 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 3 ways as a sum of consecutive naturals, for example, 10103435 + ... + 10103454.

Almost surely, 2^202068890 is an apocalyptic number.

202068890 is a deficient number, since it is larger than the sum of its proper divisors (161655130).

202068890 is a wasteful number, since it uses less digits than its factorization.

202068890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20206896.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 202068890 is about 14215.0937386990. The cubic root of 202068890 is about 586.8131245199.

The spelling of 202068890 in words is "two hundred two million, sixty-eight thousand, eight hundred ninety".