220894268148888 has 64 divisors (see below), whose sum is σ = 571715373312000. Its totient is φ = 71038014268032.

The previous prime is 220894268148809. The next prime is 220894268148889. The reversal of 220894268148888 is 888841862498022.

It is a super-3 number, since 3×220894268148888³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220894268148889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120504568 + ... + 122323911.

It is an arithmetic number, because the mean of its divisors is an integer number (8933052708000).

Almost surely, 2^{220894268148888} is an apocalyptic number.

It is an amenable number.

220894268148888 is an abundant number, since it is smaller than the sum of its proper divisors (350821105163112).

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

220894268148888 is a wasteful number, since it uses less digits than its factorization.

220894268148888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242829824 (or 242829820 counting only the distinct ones).

The product of its (nonzero) digits is 1811939328, while the sum is 78.

The spelling of 220894268148888 in words is "two hundred twenty trillion, eight hundred ninety-four billion, two hundred sixty-eight million, one hundred forty-eight thousand, eight hundred eighty-eight".