200551390 has 16 divisors (see below), whose sum is σ = 388761408. Its totient is φ = 74049696.

The previous prime is 200551381. The next prime is 200551399. The reversal of 200551390 is 93155002.

It is an interprime number because it is at equal distance from previous prime (200551381) and next prime (200551399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200551399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771222 + ... + 771481.

It is an arithmetic number, because the mean of its divisors is an integer number (24297588).

Almost surely, 2^200551390 is an apocalyptic number.

200551390 is a deficient number, since it is larger than the sum of its proper divisors (188210018).

200551390 is a wasteful number, since it uses less digits than its factorization.

200551390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542723.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 200551390 is about 14161.6167862289. The cubic root of 200551390 is about 585.3404792268.

The spelling of 200551390 in words is "two hundred million, five hundred fifty-one thousand, three hundred ninety".