28214233320 has 512 divisors, whose sum is σ = 108025344000. Its totient is φ = 5856592896.

The previous prime is 28214233303. The next prime is 28214233349. The reversal of 28214233320 is 2333241282.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35849967 + ... + 35850753.

It is an arithmetic number, because the mean of its divisors is an integer number (210987000).

Almost surely, 2^28214233320 is an apocalyptic number.

28214233320 is a gapful number since it is divisible by the number (20) 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 28214233320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54012672000).

28214233320 is an abundant number, since it is smaller than the sum of its proper divisors (79811110680).

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

28214233320 is a wasteful number, since it uses less digits than its factorization.

28214233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 28214233320 in words is "twenty-eight billion, two hundred fourteen million, two hundred thirty-three thousand, three hundred twenty".