1063960920 has 448 divisors, whose sum is σ = 4079600640. Its totient is φ = 247276800.

The previous prime is 1063960907. The next prime is 1063960957. The reversal of 1063960920 is 290693601.

1063960920 is a `hidden beast` number, since 10 + 6 + 39 + 609 + 2 + 0 = 666.

It is a super-2 number, since 2×1063960920² = 2264025678574492800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 9943507 + ... + 9943613.

Almost surely, 2^1063960920 is an apocalyptic number.

1063960920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1063960920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2039800320).

1063960920 is an abundant number, since it is smaller than the sum of its proper divisors (3015639720).

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

1063960920 is a wasteful number, since it uses less digits than its factorization.

1063960920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 1063960920 is about 32618.4138179648. The cubic root of 1063960920 is about 1020.8812453351.

The spelling of 1063960920 in words is "one billion, sixty-three million, nine hundred sixty thousand, nine hundred twenty".