200101500 has 144 divisors (see below), whose sum is σ = 643930560. Its totient is φ = 52291200.

The previous prime is 200101493. The next prime is 200101507. The reversal of 200101500 is 5101002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200101493) and next prime (200101507).

It is a super-2 number, since 2×200101500² = 80081220604500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238081 + ... + 238919.

It is an arithmetic number, because the mean of its divisors is an integer number (4471740).

Almost surely, 2^200101500 is an apocalyptic number.

200101500 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 200101500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321965280).

200101500 is an abundant number, since it is smaller than the sum of its proper divisors (443829060).

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

200101500 is a wasteful number, since it uses less digits than its factorization.

200101500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 200101500 is about 14145.7237354615. The cubic root of 200101500 is about 584.9024601786.

Adding to 200101500 its reverse (5101002), we get a palindrome (205202502).

The spelling of 200101500 in words is "two hundred million, one hundred one thousand, five hundred".