10220111020 has 48 divisors (see below), whose sum is σ = 25819234560. Its totient is φ = 3319614144.

The previous prime is 10220111003. The next prime is 10220111047. The reversal of 10220111020 is 2011102201.

It is a super-2 number, since 2×10220111020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10220110988 and 10220111006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1918414 + ... + 1923733.

It is an arithmetic number, because the mean of its divisors is an integer number (537900720).

Almost surely, 2^10220111020 is an apocalyptic number.

10220111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220111020 is an abundant number, since it is smaller than the sum of its proper divisors (15599123540).

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

10220111020 is a wasteful number, since it uses less digits than its factorization.

10220111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842182 (or 3842180 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10220111020 its reverse (2011102201), we get a palindrome (12231213221).

The spelling of 10220111020 in words is "ten billion, two hundred twenty million, one hundred eleven thousand, twenty".