102230520 has 128 divisors (see below), whose sum is σ = 371174400. Its totient is φ = 21989376.

The previous prime is 102230509. The next prime is 102230521. The reversal of 102230520 is 25032201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102230520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102230521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10701 + ... + 17859.

It is an arithmetic number, because the mean of its divisors is an integer number (2899800).

Almost surely, 2^102230520 is an apocalyptic number.

102230520 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 102230520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185587200).

102230520 is an abundant number, since it is smaller than the sum of its proper divisors (268943880).

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

102230520 is a wasteful number, since it uses less digits than its factorization.

102230520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197 (or 7193 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 102230520 is about 10110.9109381895. The cubic root of 102230520 is about 467.5845901056.

Adding to 102230520 its reverse (25032201), we get a palindrome (127262721).

The spelling of 102230520 in words is "one hundred two million, two hundred thirty thousand, five hundred twenty".