10202020012010 has 16 divisors (see below), whose sum is σ = 18370220380200. Its totient is φ = 4079344814016.

The previous prime is 10202020011929. The next prime is 10202020012027. The reversal of 10202020012010 is 1021002020201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8873434126561 + 1328585885449 = 2978831^2 + 1152643^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10202020011982 and 10202020012000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182869565 + ... + 182925344.

Almost surely, 2^{10202020012010} is an apocalyptic number.

10202020012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202020012010 is a deficient number, since it is larger than the sum of its proper divisors (8168200368190).

10202020012010 is a wasteful number, since it uses less digits than its factorization.

10202020012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365797705.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10202020012010 its reverse (1021002020201), we get a palindrome (11223022032211).

The spelling of 10202020012010 in words is "ten trillion, two hundred two billion, twenty million, twelve thousand, ten".