102710220 has 48 divisors (see below), whose sum is σ = 290152800. Its totient is φ = 27145216.

The previous prime is 102710189. The next prime is 102710221. The reversal of 102710220 is 22017201.

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 102710220.

It is not an unprimeable number, because it can be changed into a prime (102710221) 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, 795 + ... + 14354.

It is an arithmetic number, because the mean of its divisors is an integer number (6044850).

Almost surely, 2^102710220 is an apocalyptic number.

102710220 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 102710220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145076400).

102710220 is an abundant number, since it is smaller than the sum of its proper divisors (187442580).

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

102710220 is a wasteful number, since it uses less digits than its factorization.

102710220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274 (or 15272 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 102710220 is about 10134.6050737066. The cubic root of 102710220 is about 468.3148039032.

Adding to 102710220 its reverse (22017201), we get a palindrome (124727421).

The spelling of 102710220 in words is "one hundred two million, seven hundred ten thousand, two hundred twenty".