10720380 has 96 divisors (see below), whose sum is σ = 33707520. Its totient is φ = 2522880.

The previous prime is 10720357. The next prime is 10720399. The reversal of 10720380 is 8302701.

10720380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10720380² = 229853094688800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24201 + ... + 24639.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 2^10720380 is an apocalyptic number.

10720380 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 10720380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16853760).

10720380 is an abundant number, since it is smaller than the sum of its proper divisors (22987140).

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

10720380 is a wasteful number, since it uses less digits than its factorization.

10720380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 10720380 is about 3274.1991387208. The cubic root of 10720380 is about 220.4973596076.

The spelling of 10720380 in words is "ten million, seven hundred twenty thousand, three hundred eighty".