9920363600 has 360 divisors, whose sum is σ = 30920520960. Its totient is φ = 3030773760.

The previous prime is 9920363591. The next prime is 9920363639. The reversal of 9920363600 is 63630299.

It is a super-2 number, since 2×9920363600² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6330017 + ... + 6331583.

It is an arithmetic number, because the mean of its divisors is an integer number (85890336).

Almost surely, 2^9920363600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9920363600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15460260480).

9920363600 is an abundant number, since it is smaller than the sum of its proper divisors (21000157360).

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

9920363600 is a wasteful number, since it uses less digits than its factorization.

9920363600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 9920363600 is about 99601.0220831092. The cubic root of 9920363600 is about 2148.7003936034.

Adding to 9920363600 its reverse (63630299), we get a palindrome (9983993899).

The spelling of 9920363600 in words is "nine billion, nine hundred twenty million, three hundred sixty-three thousand, six hundred".