102010266 has 60 divisors (see below), whose sum is σ = 235047582. Its totient is φ = 33055776.

The previous prime is 102010231. The next prime is 102010277. The reversal of 102010266 is 662010201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 101425041 + 585225 = 10071^2 + 765^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 935820 + ... + 935928.

Almost surely, 2^102010266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102010266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117523791).

102010266 is an abundant number, since it is smaller than the sum of its proper divisors (133037316).

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

102010266 is an equidigital number, since it uses as much as digits as its factorization.

102010266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 102010266 is about 10100.0131683082. The cubic root of 102010266 is about 467.2485475145.

Adding to 102010266 its reverse (662010201), we get a palindrome (764020467).

The spelling of 102010266 in words is "one hundred two million, ten thousand, two hundred sixty-six".