10010020 has 12 divisors (see below), whose sum is σ = 21021084. Its totient is φ = 4004000.

The previous prime is 10009981. The next prime is 10010023. The reversal of 10010020 is 2001001.

10010020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5134756 + 4875264 = 2266^2 + 2208^2 .

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a junction number, because it is equal to n+sod(n) for n = 10009991 and 10010009.

It is not an unprimeable number, because it can be changed into a prime (10010023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250231 + ... + 250270.

It is an arithmetic number, because the mean of its divisors is an integer number (1751757).

Almost surely, 2^10010020 is an apocalyptic number.

10010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010020 is an abundant number, since it is smaller than the sum of its proper divisors (11011064).

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

10010020 is a wasteful number, since it uses less digits than its factorization.

10010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500510 (or 500508 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 10010020 is about 3163.8615646074. The cubic root of 10010020 is about 215.5154031012.

Adding to 10010020 its reverse (2001001), we get a palindrome (12011021).

The spelling of 10010020 in words is "ten million, ten thousand, twenty".