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33423031202020 = 22510915331665689
BaseRepresentation
bin1111001100101111001111…
…11001101111000011100100
311101100012200111210200122021
413212113213321233003210
513340100331441431040
6155030154545312524
710016506604500015
oct746274771570344
9141305614720567
1033423031202020
11a71669a860089
1238b9735635744
131585a16c72775
1483797d13700c
153ce622d3b24a
hex1e65e7e6f0e4

33423031202020 has 24 divisors (see below), whose sum is σ = 70832295487800. Its totient is φ = 13246559154432.

The previous prime is 33423031201939. The next prime is 33423031202059. The reversal of 33423031202020 is 2020213032433.

It can be written as a sum of positive squares in 4 ways, for example, as 5385815581696 + 28037215620324 = 2320736^2 + 5295018^2 .

It is a super-2 number, since 2×334230312020202 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7665830665 + ... + 7665835024.

It is an arithmetic number, because the mean of its divisors is an integer number (2951345645325).

Almost surely, 233423031202020 is an apocalyptic number.

It is an amenable number.

33423031202020 is an abundant number, since it is smaller than the sum of its proper divisors (37409264285780).

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

33423031202020 is a wasteful number, since it uses less digits than its factorization.

33423031202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15331665807 (or 15331665805 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 33423031202020 its reverse (2020213032433), we get a palindrome (35443244234453).

The spelling of 33423031202020 in words is "thirty-three trillion, four hundred twenty-three billion, thirty-one million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 15331665689 30663331378 61326662756 76658328445 153316656890 306633313780 1671151560101 3342303120202 6684606240404 8355757800505 16711515601010 33423031202020