220079973888 has 160 divisors (see below), whose sum is σ = 651862965600. Its totient is φ = 73313722368.

The previous prime is 220079973877. The next prime is 220079973959. The reversal of 220079973888 is 888379970022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27270718 + ... + 27278786.

It is an arithmetic number, because the mean of its divisors is an integer number (4074143535).

Almost surely, 2^220079973888 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 220079973888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325931482800).

220079973888 is an abundant number, since it is smaller than the sum of its proper divisors (431782991712).

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

220079973888 is an equidigital number, since it uses as much as digits as its factorization.

220079973888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069 (or 10047 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 220079973888 in words is "two hundred twenty billion, seventy-nine million, nine hundred seventy-three thousand, eight hundred eighty-eight".