200912740 has 72 divisors (see below), whose sum is σ = 492972480. Its totient is φ = 68580288.

The previous prime is 200912731. The next prime is 200912779. The reversal of 200912740 is 47219002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429987 + ... + 430453.

It is an arithmetic number, because the mean of its divisors is an integer number (6846840).

Almost surely, 2^200912740 is an apocalyptic number.

200912740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200912740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246486240).

200912740 is an abundant number, since it is smaller than the sum of its proper divisors (292059740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200912740 is a wasteful number, since it uses less digits than its factorization.

200912740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 200912740 is about 14174.3691217634. The cubic root of 200912740 is about 585.6918203899.

The spelling of 200912740 in words is "two hundred million, nine hundred twelve thousand, seven hundred forty".