220351554332 has 96 divisors (see below), whose sum is σ = 505602854400. Its totient is φ = 81588840192.

The previous prime is 220351554331. The next prime is 220351554383. The reversal of 220351554332 is 233455153022.

It is a junction number, because it is equal to n+sod(n) for n = 220351554292 and 220351554301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220351554331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382094 + ... + 765962.

It is an arithmetic number, because the mean of its divisors is an integer number (5266696400).

Almost surely, 2^220351554332 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 220351554332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252801427200).

220351554332 is an abundant number, since it is smaller than the sum of its proper divisors (285251300068).

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

220351554332 is a wasteful number, since it uses less digits than its factorization.

220351554332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383995 (or 383993 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 220351554332 in words is "two hundred twenty billion, three hundred fifty-one million, five hundred fifty-four thousand, three hundred thirty-two".