102200340 has 48 divisors (see below), whose sum is σ = 312177600. Its totient is φ = 24775680.

The previous prime is 102200309. The next prime is 102200341. The reversal of 102200340 is 43002201.

It is a super-2 number, since 2×102200340² = 20889818992231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76765 + ... + 78084.

It is an arithmetic number, because the mean of its divisors is an integer number (6503700).

Almost surely, 2^102200340 is an apocalyptic number.

102200340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200340 is an abundant number, since it is smaller than the sum of its proper divisors (209977260).

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

102200340 is a wasteful number, since it uses less digits than its factorization.

102200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154872 (or 154870 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102200340 is about 10109.4183808961. The cubic root of 102200340 is about 467.5385728894.

Adding to 102200340 its reverse (43002201), we get a palindrome (145202541).

The spelling of 102200340 in words is "one hundred two million, two hundred thousand, three hundred forty".