224052155420 has 72 divisors (see below), whose sum is σ = 484202053440. Its totient is φ = 87084668160.

The previous prime is 224052155419. The next prime is 224052155443. The reversal of 224052155420 is 24551250422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22693085 + ... + 22702955.

It is an arithmetic number, because the mean of its divisors is an integer number (6725028520).

Almost surely, 2^224052155420 is an apocalyptic number.

224052155420 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 224052155420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242101026720).

224052155420 is an abundant number, since it is smaller than the sum of its proper divisors (260149898020).

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

224052155420 is a wasteful number, since it uses less digits than its factorization.

224052155420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783 (or 10744 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 224052155420 in words is "two hundred twenty-four billion, fifty-two million, one hundred fifty-five thousand, four hundred twenty".