10501720 has 16 divisors (see below), whose sum is σ = 23628960. Its totient is φ = 4200672.

The previous prime is 10501717. The next prime is 10501723. The reversal of 10501720 is 2710501.

It is an interprime number because it is at equal distance from previous prime (10501717) and next prime (10501723).

It is a super-2 number, since 2×10501720² = 220572245916800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10501694 and 10501703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10501723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131232 + ... + 131311.

It is an arithmetic number, because the mean of its divisors is an integer number (1476810).

Almost surely, 2^10501720 is an apocalyptic number.

10501720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10501720 is an abundant number, since it is smaller than the sum of its proper divisors (13127240).

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

10501720 is a wasteful number, since it uses less digits than its factorization.

10501720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262554 (or 262550 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 10501720 is about 3240.6357400979. The cubic root of 10501720 is about 218.9879131240.

The spelling of 10501720 in words is "ten million, five hundred one thousand, seven hundred twenty".