10180020 has 24 divisors (see below), whose sum is σ = 28504224. Its totient is φ = 2714656.

The previous prime is 10179989. The next prime is 10180021. The reversal of 10180020 is 2008101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10179978 and 10180005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10180021) 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 7 ways as a sum of consecutive naturals, for example, 84774 + ... + 84893.

It is an arithmetic number, because the mean of its divisors is an integer number (1187676).

Almost surely, 2^10180020 is an apocalyptic number.

10180020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10180020 is an abundant number, since it is smaller than the sum of its proper divisors (18324204).

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

10180020 is a wasteful number, since it uses less digits than its factorization.

10180020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169679 (or 169677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 10180020 is about 3190.6143609029. The cubic root of 10180020 is about 216.7285924242.

Adding to 10180020 its reverse (2008101), we get a palindrome (12188121).

The spelling of 10180020 in words is "ten million, one hundred eighty thousand, twenty".