102020010 has 32 divisors (see below), whose sum is σ = 245598912. Its totient is φ = 27121920.

The previous prime is 102019997. The next prime is 102020021. The reversal of 102020010 is 10020201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5065 + ... + 15155.

It is an arithmetic number, because the mean of its divisors is an integer number (7674966).

Almost surely, 2^102020010 is an apocalyptic number.

102020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020010 is an abundant number, since it is smaller than the sum of its proper divisors (143578902).

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

102020010 is a wasteful number, since it uses less digits than its factorization.

102020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 102020010 is about 10100.4955323984. The cubic root of 102020010 is about 467.2634242031.

Adding to 102020010 its reverse (10020201), we get a palindrome (112040211).

The spelling of 102020010 in words is "one hundred two million, twenty thousand, ten".