10220112020 has 96 divisors (see below), whose sum is σ = 23164517376. Its totient is φ = 3773491200.

The previous prime is 10220111981. The next prime is 10220112047. The reversal of 10220112020 is 2021102201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10220111992 and 10220112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11842109 + ... + 11842971.

It is an arithmetic number, because the mean of its divisors is an integer number (241297056).

Almost surely, 2^10220112020 is an apocalyptic number.

10220112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10220112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11582258688).

10220112020 is an abundant number, since it is smaller than the sum of its proper divisors (12944405356).

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

10220112020 is a wasteful number, since it uses less digits than its factorization.

10220112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1519 counting only the distinct ones).

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

Adding to 10220112020 its reverse (2021102201), we get a palindrome (12241214221).

The spelling of 10220112020 in words is "ten billion, two hundred twenty million, one hundred twelve thousand, twenty".