202034390 has 16 divisors (see below), whose sum is σ = 363827808. Its totient is φ = 80776896.

The previous prime is 202034383. The next prime is 202034401. The reversal of 202034390 is 93430202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33119 + ... + 38741.

It is an arithmetic number, because the mean of its divisors is an integer number (22739238).

Almost surely, 2^202034390 is an apocalyptic number.

202034390 is a deficient number, since it is larger than the sum of its proper divisors (161793418).

202034390 is a wasteful number, since it uses less digits than its factorization.

202034390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 202034390 is about 14213.8801880415. The cubic root of 202034390 is about 586.7797263307.

Adding to 202034390 its reverse (93430202), we get a palindrome (295464592).

The spelling of 202034390 in words is "two hundred two million, thirty-four thousand, three hundred ninety".