10202010122020 has 24 divisors (see below), whose sum is σ = 21492669260664. Its totient is φ = 4067766333696.

The previous prime is 10202010122009. The next prime is 10202010122069. The reversal of 10202010122020 is 2022101020201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 219392939236 + 9982617182784 = 468394^2 + 3159528^2 .

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, 814850779 + ... + 814863298.

It is an arithmetic number, because the mean of its divisors is an integer number (895527885861).

Almost surely, 2^{10202010122020} is an apocalyptic number.

10202010122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202010122020 is an abundant number, since it is smaller than the sum of its proper divisors (11290659138644).

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

10202010122020 is a wasteful number, since it uses less digits than its factorization.

10202010122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629714399 (or 1629714397 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202010122020 its reverse (2022101020201), we get a palindrome (12224111142221).

The spelling of 10202010122020 in words is "ten trillion, two hundred two billion, ten million, one hundred twenty-two thousand, twenty".