6920225280 has 400 divisors, whose sum is σ = 25881539904. Its totient is φ = 1763942400.

The previous prime is 6920225269. The next prime is 6920225281. The reversal of 6920225280 is 825220296.

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

It is not an unprimeable number, because it can be changed into a prime (6920225281) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4768555 + ... + 4770005.

Almost surely, 2^6920225280 is an apocalyptic number.

6920225280 is a gapful number since it is divisible by the number (60) 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 6920225280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12940769952).

6920225280 is an abundant number, since it is smaller than the sum of its proper divisors (18961314624).

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

6920225280 is a wasteful number, since it uses less digits than its factorization.

6920225280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6920225280 is about 83187.8914265772. The cubic root of 6920225280 is about 1905.6365657381.

The spelling of 6920225280 in words is "six billion, nine hundred twenty million, two hundred twenty-five thousand, two hundred eighty".