1020216 has 16 divisors (see below), whose sum is σ = 2550600. Its totient is φ = 340064.

The previous prime is 1020163. The next prime is 1020223. The reversal of 1020216 is 6120201.

1020216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21231 + ... + 21278.

2^1020216 is an apocalyptic number.

It is an amenable number.

1020216 is an abundant number, since it is smaller than the sum of its proper divisors (1530384).

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

1020216 is a wasteful number, since it uses less digits than its factorization.

1020216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42518 (or 42514 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1020216 is about 1010.0574241101. The cubic root of 1020216 is about 100.6693760266.

Adding to 1020216 its reverse (6120201), we get a palindrome (7140417).

The spelling of 1020216 in words is "one million, twenty thousand, two hundred sixteen".