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2213203012020 = 223257111312283289
BaseRepresentation
bin100000001101001101001…
…011011110100110110100
321211120122220221001001200
4200031031023132212310
5242230114432341040
64412421553252500
7315620143130340
oct40151513364664
97746586831050
102213203012020
11783683447370
122b8b25264130
131309200254a0
1479196264620
153c885605630
hex2034d2de9b4

2213203012020 has 288 divisors, whose sum is σ = 9013773000960. Its totient is φ = 424510433280.

The previous prime is 2213203011919. The next prime is 2213203012021. The reversal of 2213203012020 is 202103023122.

2213203012020 is a `hidden beast` number, since 2 + 2 + 1 + 320 + 301 + 20 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2213203011984 and 2213203012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213203012021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5961465 + ... + 6321824.

It is an arithmetic number, because the mean of its divisors is an integer number (31297822920).

Almost surely, 22213203012020 is an apocalyptic number.

2213203012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213203012020 is an abundant number, since it is smaller than the sum of its proper divisors (6800569988940).

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

2213203012020 is a wasteful number, since it uses less digits than its factorization.

2213203012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283335 (or 12283330 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2213203012020 its reverse (202103023122), we get a palindrome (2415306035142).

The spelling of 2213203012020 in words is "two trillion, two hundred thirteen billion, two hundred three million, twelve thousand, twenty".