10669820 has 24 divisors (see below), whose sum is σ = 25607904. Its totient is φ = 3658176.

The previous prime is 10669807. The next prime is 10669823. The reversal of 10669820 is 2896601.

It is a super-2 number, since 2×10669820² = 227690117664800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10669823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37967 + ... + 38246.

It is an arithmetic number, because the mean of its divisors is an integer number (1066996).

Almost surely, 2^10669820 is an apocalyptic number.

10669820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10669820 is an abundant number, since it is smaller than the sum of its proper divisors (14938084).

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

10669820 is a wasteful number, since it uses less digits than its factorization.

10669820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76229 (or 76227 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10669820 is about 3266.4690416411. The cubic root of 10669820 is about 220.1501729501.

The spelling of 10669820 in words is "ten million, six hundred sixty-nine thousand, eight hundred twenty".