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201020233230 = 23259923225089
BaseRepresentation
bin1011101100110110111…
…1010101011000001110
3201012212110000220101100
42323031233111120032
511243142134430410
6232203013123530
720344316534625
oct2731557253016
9635773026340
10201020233230
1178285754563
1232b613295a6
1315c577c198b
149a2d7b86bc
155367d008c0
hex2ecdbd560e

201020233230 has 48 divisors (see below), whose sum is σ = 522707599440. Its totient is φ = 53599755264.

The previous prime is 201020233229. The next prime is 201020233231. The reversal of 201020233230 is 32332020102.

It is a happy number.

201020233230 is a `hidden beast` number, since 201 + 0 + 2 + 0 + 233 + 230 = 666.

It is an interprime number because it is at equal distance from previous prime (201020233229) and next prime (201020233231).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020233231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780526 + ... + 1005614.

It is an arithmetic number, because the mean of its divisors is an integer number (10889741655).

Almost surely, 2201020233230 is an apocalyptic number.

201020233230 is an abundant number, since it is smaller than the sum of its proper divisors (321687366210).

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

201020233230 is a wasteful number, since it uses less digits than its factorization.

201020233230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235025 (or 235022 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 201020233230 its reverse (32332020102), we get a palindrome (233352253332).

The spelling of 201020233230 in words is "two hundred one billion, twenty million, two hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 9923 19846 29769 49615 59538 89307 99230 148845 178614 225089 297690 446535 450178 675267 893070 1125445 1350534 2025801 2250890 3376335 4051602 6752670 10129005 20258010 2233558147 4467116294 6700674441 11167790735 13401348882 20102023323 22335581470 33503372205 40204046646 67006744410 100510116615 201020233230