10202140 has 24 divisors (see below), whose sum is σ = 23073120. Its totient is φ = 3766848.

The previous prime is 10202119. The next prime is 10202177. The reversal of 10202140 is 4120201.

10202140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19360 + ... + 19879.

It is an arithmetic number, because the mean of its divisors is an integer number (961380).

Almost surely, 2^10202140 is an apocalyptic number.

10202140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202140 is an abundant number, since it is smaller than the sum of its proper divisors (12870980).

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

10202140 is a wasteful number, since it uses less digits than its factorization.

10202140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39261 (or 39259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10202140 is about 3194.0788969592. The cubic root of 10202140 is about 216.8854542101.

Adding to 10202140 its reverse (4120201), we get a palindrome (14322341).

It can be divided in two parts, 1020 and 2140, that added together give a triangular number (3160 = T₇₉).

The spelling of 10202140 in words is "ten million, two hundred two thousand, one hundred forty".