102020216 has 8 divisors (see below), whose sum is σ = 191287920. Its totient is φ = 51010104.

The previous prime is 102020189. The next prime is 102020227. The reversal of 102020216 is 612020201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 102020216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376256 + ... + 6376271.

It is an arithmetic number, because the mean of its divisors is an integer number (23910990).

Almost surely, 2^102020216 is an apocalyptic number.

It is an amenable number.

102020216 is a deficient number, since it is larger than the sum of its proper divisors (89267704).

102020216 is a wasteful number, since it uses less digits than its factorization.

102020216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752533 (or 12752529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102020216 is about 10100.5057299127. The cubic root of 102020216 is about 467.2637387042.

Adding to 102020216 its reverse (612020201), we get a palindrome (714040417).

The spelling of 102020216 in words is "one hundred two million, twenty thousand, two hundred sixteen".