102030200 has 48 divisors (see below), whose sum is σ = 239616360. Its totient is φ = 40400000.

The previous prime is 102030193. The next prime is 102030217. The reversal of 102030200 is 2030201.

Added to its reverse (2030201) it gives a 4-th power (104060401 = 101⁴).

It is a Cunningham number, because it is equal to 10101²-1.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17675 + ... + 22725.

Almost surely, 2^102030200 is an apocalyptic number.

102030200 is a gapful number since it is divisible by the number (10) 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 102030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119808180).

102030200 is an abundant number, since it is smaller than the sum of its proper divisors (137586160).

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

102030200 is a wasteful number, since it uses less digits than its factorization.

102030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 102030200 is about 10100.9999505000. Note that the first 4 decimals coincide. The cubic root of 102030200 is about 467.2789808107.

Adding to 102030200 its reverse (2030201), we get a palindrome (104060401).

Subtracting from 102030200 its reverse (2030201), we obtain a palindrome (99999999).

The spelling of 102030200 in words is "one hundred two million, thirty thousand, two hundred".