10140020 has 24 divisors (see below), whose sum is σ = 23230368. Its totient is φ = 3687200.

The previous prime is 10140019. The next prime is 10140029. The reversal of 10140020 is 2004101.

10140020 = 295² + 296² + ... + 382².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140029) 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, 22826 + ... + 23265.

It is an arithmetic number, because the mean of its divisors is an integer number (967932).

Almost surely, 2^10140020 is an apocalyptic number.

10140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10140020 is an abundant number, since it is smaller than the sum of its proper divisors (13090348).

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

10140020 is a wasteful number, since it uses less digits than its factorization.

10140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46111 (or 46109 counting only the distinct ones).

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

The square root of 10140020 is about 3184.3398059880. The cubic root of 10140020 is about 216.4443584376. Note that the first 3 decimals are identical.

Adding to 10140020 its reverse (2004101), we get a palindrome (12144121).

The spelling of 10140020 in words is "ten million, one hundred forty thousand, twenty".