10212020 has 96 divisors (see below), whose sum is σ = 27396096. Its totient is φ = 3110400.

The previous prime is 10212011. The next prime is 10212029. The reversal of 10212020 is 2021201.

It is an interprime number because it is at equal distance from previous prime (10212011) and next prime (10212029).

It is a junction number, because it is equal to n+sod(n) for n = 10211989 and 10212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 56330 + ... + 56510.

It is an arithmetic number, because the mean of its divisors is an integer number (285376).

Almost surely, 2^10212020 is an apocalyptic number.

10212020 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 10212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13698048).

10212020 is an abundant number, since it is smaller than the sum of its proper divisors (17184076).

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

10212020 is a wasteful number, since it uses less digits than its factorization.

10212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

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

The square root of 10212020 is about 3195.6251344612. The cubic root of 10212020 is about 216.9554440011.

Adding to 10212020 its reverse (2021201), we get a palindrome (12233221).

The spelling of 10212020 in words is "ten million, two hundred twelve thousand, twenty".