200032390 has 16 divisors (see below), whose sum is σ = 361946880. Its totient is φ = 79593280.

The previous prime is 200032381. The next prime is 200032409. The reversal of 200032390 is 93230002.

It is a super-2 number, since 2×200032390² = 80025914098224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50455 + ... + 54274.

It is an arithmetic number, because the mean of its divisors is an integer number (22621680).

Almost surely, 2^200032390 is an apocalyptic number.

200032390 is a deficient number, since it is larger than the sum of its proper divisors (161914490).

200032390 is a wasteful number, since it uses less digits than its factorization.

200032390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104927.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 200032390 is about 14143.2807368022. The cubic root of 200032390 is about 584.8351155833.

Adding to 200032390 its reverse (93230002), we get a palindrome (293262392).

The spelling of 200032390 in words is "two hundred million, thirty-two thousand, three hundred ninety".