200102040 has 96 divisors (see below), whose sum is σ = 661424400. Its totient is φ = 52450560.

The previous prime is 200102039. The next prime is 200102041. The reversal of 200102040 is 40201002.

200102040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200102039) and next prime (200102041).

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 (200102041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16530 + ... + 25950.

Almost surely, 2^200102040 is an apocalyptic number.

200102040 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 200102040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330712200).

200102040 is an abundant number, since it is smaller than the sum of its proper divisors (461322360).

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

200102040 is a wasteful number, since it uses less digits than its factorization.

200102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497 (or 9490 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200102040 is about 14145.7428224890. The cubic root of 200102040 is about 584.9029863233.

Adding to 200102040 its reverse (40201002), we get a palindrome (240303042).

The spelling of 200102040 in words is "two hundred million, one hundred two thousand, forty".