10663020 has 36 divisors (see below), whose sum is σ = 32345040. Its totient is φ = 2843424.

The previous prime is 10662973. The next prime is 10663027. The reversal of 10663020 is 2036601.

It is a happy number.

10663020 is a `hidden beast` number, since 1 + 0 + 663 + 0 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10663020² = 227399991040800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10662984 and 10663002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29440 + ... + 29799.

Almost surely, 2^10663020 is an apocalyptic number.

10663020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10663020 is an abundant number, since it is smaller than the sum of its proper divisors (21682020).

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

10663020 is a wasteful number, since it uses less digits than its factorization.

10663020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59254 (or 59249 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 10663020 is about 3265.4279964501. The cubic root of 10663020 is about 220.1033949253.

Adding to 10663020 its reverse (2036601), we get a palindrome (12699621).

The spelling of 10663020 in words is "ten million, six hundred sixty-three thousand, twenty".