10646243220 has 48 divisors (see below), whose sum is σ = 31105549440. Its totient is φ = 2715563136.

The previous prime is 10646243213. The next prime is 10646243233. The reversal of 10646243220 is 2234264601.

It is a super-2 number, since 2×10646243220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3855955 + ... + 3858714.

It is an arithmetic number, because the mean of its divisors is an integer number (648032280).

Almost surely, 2^10646243220 is an apocalyptic number.

10646243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10646243220 is an abundant number, since it is smaller than the sum of its proper divisors (20459306220).

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

10646243220 is a wasteful number, since it uses less digits than its factorization.

10646243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714704 (or 7714702 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 10646243220 in words is "ten billion, six hundred forty-six million, two hundred forty-three thousand, two hundred twenty".