10646430220 has 12 divisors (see below), whose sum is σ = 22357503504. Its totient is φ = 4258572080.

The previous prime is 10646430199. The next prime is 10646430241. The reversal of 10646430220 is 2203464601.

It is an interprime number because it is at equal distance from previous prime (10646430199) and next prime (10646430241).

It is a super-2 number, since 2×10646430220² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266160736 + ... + 266160775.

It is an arithmetic number, because the mean of its divisors is an integer number (1863125292).

Almost surely, 2^10646430220 is an apocalyptic number.

10646430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10646430220 is an abundant number, since it is smaller than the sum of its proper divisors (11711073284).

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

10646430220 is a wasteful number, since it uses less digits than its factorization.

10646430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532321520 (or 532321518 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 10646430220 its reverse (2203464601), we get a palindrome (12849894821).

The spelling of 10646430220 in words is "ten billion, six hundred forty-six million, four hundred thirty thousand, two hundred twenty".