1020100210 has 16 divisors (see below), whose sum is σ = 1839047616. Its totient is φ = 407402928.

The previous prime is 1020100189. The next prime is 1020100217. The reversal of 1020100210 is 120010201.

It is a junction number, because it is equal to n+sod(n) for n = 1020100193 and 1020100202.

It is not an unprimeable number, because it can be changed into a prime (1020100217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72894 + ... + 85753.

It is an arithmetic number, because the mean of its divisors is an integer number (114940476).

Almost surely, 2^1020100210 is an apocalyptic number.

1020100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020100210 is a deficient number, since it is larger than the sum of its proper divisors (818947406).

1020100210 is a wasteful number, since it uses less digits than its factorization.

1020100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159297.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1020100210 is about 31939.0076552168. The cubic root of 1020100210 is about 1006.6556737295.

Adding to 1020100210 its reverse (120010201), we get a palindrome (1140110411).

Subtracting from 1020100210 its reverse (120010201), we obtain a palindrome (900090009).

The spelling of 1020100210 in words is "one billion, twenty million, one hundred thousand, two hundred ten".