10112020220020 has 24 divisors (see below), whose sum is σ = 21635907416424. Its totient is φ = 3968490953856.

The previous prime is 10112020220017. The next prime is 10112020220023. The reversal of 10112020220020 is 2002202021101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10112020220017) and next prime (10112020220023).

It can be written as a sum of positive squares in 4 ways, for example, as 993299262736 + 9118720957284 = 996644^2 + 3019722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112020220023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769819799 + ... + 4769821918.

It is an arithmetic number, because the mean of its divisors is an integer number (901496142351).

Almost surely, 2^{10112020220020} is an apocalyptic number.

10112020220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112020220020 is an abundant number, since it is smaller than the sum of its proper divisors (11523887196404).

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

10112020220020 is a wasteful number, since it uses less digits than its factorization.

10112020220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539641779 (or 9539641777 counting only the distinct ones).

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

Adding to 10112020220020 its reverse (2002202021101), we get a palindrome (12114222241121).

The spelling of 10112020220020 in words is "ten trillion, one hundred twelve billion, twenty million, two hundred twenty thousand, twenty".