10202720 has 144 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 3379200.

The previous prime is 10202711. The next prime is 10202723. The reversal of 10202720 is 2720201.

10202720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10202695 and 10202704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329105 + ... + 329135.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^10202720 is an apocalyptic number.

10202720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14478912).

10202720 is an abundant number, since it is smaller than the sum of its proper divisors (18755104).

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

10202720 is a wasteful number, since it uses less digits than its factorization.

10202720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 10202720 is about 3194.1696886672. The cubic root of 10202720 is about 216.8895641707.

Adding to 10202720 its reverse (2720201), we get a palindrome (12922921).

The spelling of 10202720 in words is "ten million, two hundred two thousand, seven hundred twenty".