1020100010 has 32 divisors (see below), whose sum is σ = 1877495760. Its totient is φ = 398914048.

The previous prime is 1020100007. The next prime is 1020100021. The reversal of 1020100010 is 100010201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 964909969 + 55190041 = 31063^2 + 7429^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 1020099967 and 1020100003.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 152006 + ... + 158574.

Almost surely, 2^1020100010 is an apocalyptic number.

1020100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020100010 is a deficient number, since it is larger than the sum of its proper divisors (857395750).

1020100010 is a wasteful number, since it uses less digits than its factorization.

1020100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1020100010 is about 31939.0045242490. The cubic root of 1020100010 is about 1006.6556079415.

Adding to 1020100010 its reverse (100010201), we get a palindrome (1120110211).

The spelling of 1020100010 in words is "one billion, twenty million, one hundred thousand, ten".