1063337643220 has 24 divisors (see below), whose sum is σ = 2233055349000. Its totient is φ = 425326238592.

The previous prime is 1063337643191. The next prime is 1063337643271. The reversal of 1063337643220 is 223467333601.

It can be written as a sum of positive squares in 4 ways, for example, as 271120158864 + 792217484356 = 520692^2 + 890066^2 .

It is a super-2 number, since 2×1063337643220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485086 + ... + 1536874.

It is an arithmetic number, because the mean of its divisors is an integer number (93043972875).

Almost surely, 2^{1063337643220} is an apocalyptic number.

1063337643220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063337643220 is an abundant number, since it is smaller than the sum of its proper divisors (1169717705780).

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

1063337643220 is a wasteful number, since it uses less digits than its factorization.

1063337643220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102347 (or 1102345 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 40.

The spelling of 1063337643220 in words is "one trillion, sixty-three billion, three hundred thirty-seven million, six hundred forty-three thousand, two hundred twenty".