200856942 has 192 divisors, whose sum is σ = 567302400. Its totient is φ = 51788160.

The previous prime is 200856919. The next prime is 200856949. The reversal of 200856942 is 249658002.

It is a happy number.

It is a super-2 number, since 2×200856942² = 80687022299182728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200856897 and 200856906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200856949) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5428548 + ... + 5428584.

It is an arithmetic number, because the mean of its divisors is an integer number (2954700).

Almost surely, 2^200856942 is an apocalyptic number.

200856942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 200856942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283651200).

200856942 is an abundant number, since it is smaller than the sum of its proper divisors (366445458).

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

200856942 is a wasteful number, since it uses less digits than its factorization.

200856942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 200856942 is about 14172.4007140639. The cubic root of 200856942 is about 585.6375954263.

The spelling of 200856942 in words is "two hundred million, eight hundred fifty-six thousand, nine hundred forty-two".