10020212406 has 48 divisors (see below), whose sum is σ = 22548262464. Its totient is φ = 3335070024.

The previous prime is 10020212393. The next prime is 10020212459. The reversal of 10020212406 is 60421202001.

It is a super-2 number, since 2×10020212406² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316845 + ... + 347031.

It is an arithmetic number, because the mean of its divisors is an integer number (469755468).

Almost surely, 2^10020212406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020212406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11274131232).

10020212406 is an abundant number, since it is smaller than the sum of its proper divisors (12528050058).

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

10020212406 is an equidigital number, since it uses as much as digits as its factorization.

10020212406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30887 (or 30875 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10020212406 its reverse (60421202001), we get a palindrome (70441414407).

The spelling of 10020212406 in words is "ten billion, twenty million, two hundred twelve thousand, four hundred six".