220054644 has 60 divisors (see below), whose sum is σ = 576664704. Its totient is φ = 73173456.

The previous prime is 220054619. The next prime is 220054657. The reversal of 220054644 is 446450022.

220054644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 254557 + ... + 255419.

Almost surely, 2^220054644 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 220054644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288332352).

220054644 is an abundant number, since it is smaller than the sum of its proper divisors (356610060).

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

220054644 is a wasteful number, since it uses less digits than its factorization.

220054644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 220054644 is about 14834.2389086869. The cubic root of 220054644 is about 603.7310506764.

The spelling of 220054644 in words is "two hundred twenty million, fifty-four thousand, six hundred forty-four".