202500890 has 8 divisors (see below), whose sum is σ = 364501620. Its totient is φ = 81000352.

The previous prime is 202500887. The next prime is 202500913. The reversal of 202500890 is 98005202.

It can be written as a sum of positive squares in 2 ways, for example, as 201044041 + 1456849 = 14179^2 + 1207^2 .

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

It is a super-2 number, since 2×202500890² = 82013220901584200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10125035 + ... + 10125054.

Almost surely, 2^202500890 is an apocalyptic number.

202500890 is a deficient number, since it is larger than the sum of its proper divisors (162000730).

202500890 is a wasteful number, since it uses less digits than its factorization.

202500890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250096.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 202500890 is about 14230.2807421358. The cubic root of 202500890 is about 587.2310064783.

The spelling of 202500890 in words is "two hundred two million, five hundred thousand, eight hundred ninety".