11666020030 has 64 divisors (see below), whose sum is σ = 24427008000. Its totient is φ = 3928579200.

The previous prime is 11666020019. The next prime is 11666020031. The reversal of 11666020030 is 3002066611.

It is a super-2 number, since 2×11666020030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11666019977 and 11666020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666020031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3888471 + ... + 3891469.

It is an arithmetic number, because the mean of its divisors is an integer number (381672000).

Almost surely, 2^11666020030 is an apocalyptic number.

11666020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11666020030 is an abundant number, since it is smaller than the sum of its proper divisors (12760987970).

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

11666020030 is a wasteful number, since it uses less digits than its factorization.

11666020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11666020030 its reverse (3002066611), we get a palindrome (14668086641).

The spelling of 11666020030 in words is "eleven billion, six hundred sixty-six million, twenty thousand, thirty".