1000020201010 has 32 divisors (see below), whose sum is σ = 1845827775792. Its totient is φ = 389852190720.

The previous prime is 1000020200939. The next prime is 1000020201017. The reversal of 1000020201010 is 101020200001.

It can be written as a sum of positive squares in 8 ways, for example, as 124135724241 + 875884476769 = 352329^2 + 935887^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000020200984 and 1000020201002.

It is not an unprimeable number, because it can be changed into a prime (1000020201017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847677 + ... + 1648816.

Almost surely, 2^{1000020201010} is an apocalyptic number.

1000020201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000020201010 is a deficient number, since it is larger than the sum of its proper divisors (845807574782).

1000020201010 is a wasteful number, since it uses less digits than its factorization.

1000020201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497518.

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

Adding to 1000020201010 its reverse (101020200001), we get a palindrome (1101040401011).

The spelling of 1000020201010 in words is "one trillion, twenty million, two hundred one thousand, ten".