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224230032020 = 22511211501601
BaseRepresentation
bin1101000011010100100…
…1101100001010010100
3210102202222100211210202
43100311021230022110
512133210342011040
6251002043440032
722125425552531
oct3206511541224
9712688324722
10224230032020
1187106009955
123755a226018
13181b6189227
14abd20b9d88
155c75753015
hex343526c294

224230032020 has 12 divisors (see below), whose sum is σ = 470883067284. Its totient is φ = 89692012800.

The previous prime is 224230031957. The next prime is 224230032151. The reversal of 224230032020 is 20230032422.

It can be written as a sum of positive squares in 2 ways, for example, as 45175802116 + 179054229904 = 212546^2 + 423148^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11211501601 = 224230032020 / (2 + 2 + 4 + 2 + 3 + 0 + 0 + 3 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 224230031983 and 224230032001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5605750781 + ... + 5605750820.

It is an arithmetic number, because the mean of its divisors is an integer number (39240255607).

Almost surely, 2224230032020 is an apocalyptic number.

224230032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224230032020 is an abundant number, since it is smaller than the sum of its proper divisors (246653035264).

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

224230032020 is a wasteful number, since it uses less digits than its factorization.

224230032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211501610 (or 11211501608 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 224230032020 its reverse (20230032422), we get a palindrome (244460064442).

The spelling of 224230032020 in words is "two hundred twenty-four billion, two hundred thirty million, thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 11211501601 22423003202 44846006404 56057508005 112115016010 224230032020