10663420 has 48 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 3953664.

The previous prime is 10663417. The next prime is 10663423. The reversal of 10663420 is 2436601.

It is an interprime number because it is at equal distance from previous prime (10663417) and next prime (10663423).

It is a super-2 number, since 2×10663420² = 227417052192800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10663391 and 10663400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26662 + ... + 27058.

It is an arithmetic number, because the mean of its divisors is an integer number (501480).

Almost surely, 2^10663420 is an apocalyptic number.

10663420 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 10663420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12035520).

10663420 is an abundant number, since it is smaller than the sum of its proper divisors (13407620).

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

10663420 is a wasteful number, since it uses less digits than its factorization.

10663420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 10663420 is about 3265.4892435897. The cubic root of 10663420 is about 220.1061471243.

The spelling of 10663420 in words is "ten million, six hundred sixty-three thousand, four hundred twenty".