8912020800 has 168 divisors, whose sum is σ = 29735373600. Its totient is φ = 2336184320.

The previous prime is 8912020781. The next prime is 8912020811. The reversal of 8912020800 is 80202198.

It is a super-2 number, since 2×8912020800² (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 23 ways as a sum of consecutive naturals, for example, 267466 + ... + 298934.

Almost surely, 2^8912020800 is an apocalyptic number.

8912020800 is a gapful number since it is divisible by the number (80) 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 8912020800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14867686800).

8912020800 is an abundant number, since it is smaller than the sum of its proper divisors (20823352800).

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

8912020800 is a wasteful number, since it uses less digits than its factorization.

8912020800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31553 (or 31538 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8912020800 is about 94403.4999351189. The cubic root of 8912020800 is about 2073.2836864856.

Adding to 8912020800 its reverse (80202198), we get a palindrome (8992222998).

The spelling of 8912020800 in words is "eight billion, nine hundred twelve million, twenty thousand, eight hundred".