10210020 has 24 divisors (see below), whose sum is σ = 28588224. Its totient is φ = 2722656.

The previous prime is 10210007. The next prime is 10210033. The reversal of 10210020 is 2001201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10210007) and next prime (10210033).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 10209990 and 10210008.

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 7 ways as a sum of consecutive naturals, for example, 85024 + ... + 85143.

It is an arithmetic number, because the mean of its divisors is an integer number (1191176).

Almost surely, 2^10210020 is an apocalyptic number.

10210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210020 is an abundant number, since it is smaller than the sum of its proper divisors (18378204).

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

10210020 is a wasteful number, since it uses less digits than its factorization.

10210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170179 (or 170177 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 10210020 is about 3195.3121913203. The cubic root of 10210020 is about 216.9412796726.

Adding to 10210020 its reverse (2001201), we get a palindrome (12211221).

The spelling of 10210020 in words is "ten million, two hundred ten thousand, twenty".