10204020140 has 48 divisors (see below), whose sum is σ = 22659243264. Its totient is φ = 3853593600.

The previous prime is 10204020137. The next prime is 10204020149. The reversal of 10204020140 is 4102040201.

10204020140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10204020149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175289 + ... + 226128.

It is an arithmetic number, because the mean of its divisors is an integer number (472067568).

Almost surely, 2^10204020140 is an apocalyptic number.

10204020140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10204020140 is an abundant number, since it is smaller than the sum of its proper divisors (12455223124).

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

10204020140 is a wasteful number, since it uses less digits than its factorization.

10204020140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401498 (or 401496 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10204020140 its reverse (4102040201), we get a palindrome (14306060341).

The spelling of 10204020140 in words is "ten billion, two hundred four million, twenty thousand, one hundred forty".