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22210022020020 = 2235392549942983
BaseRepresentation
bin1010000110011001011000…
…11110010001001110110100
32220122020221121210102000220
411003030230132101032310
510402342111114120040
6115123050535534340
74451423023160142
oct503145436211664
986566847712026
1022210022020020
117093243463a9a
1225a854b52a3b0
13c5151c294423
1456ad83c44592
15287b010952d0
hex14332c7913b4

22210022020020 has 48 divisors (see below), whose sum is σ = 62188286025600. Its totient is φ = 5922651170176.

The previous prime is 22210022020013. The next prime is 22210022020031. The reversal of 22210022020020 is 2002022001222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23081449 + ... + 24024431.

It is an arithmetic number, because the mean of its divisors is an integer number (1295589292200).

Almost surely, 222210022020020 is an apocalyptic number.

22210022020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210022020020 is an abundant number, since it is smaller than the sum of its proper divisors (39978264005580).

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

22210022020020 is a wasteful number, since it uses less digits than its factorization.

22210022020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335544 (or 1335542 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22210022020020 its reverse (2002022001222), we get a palindrome (24212044021242).

The spelling of 22210022020020 in words is "twenty-two trillion, two hundred ten billion, twenty-two million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 392549 785098 942983 1177647 1570196 1885966 1962745 2355294 2828949 3771932 3925490 4710588 4714915 5657898 5888235 7850980 9429830 11315796 11776470 14144745 18859660 23552940 28289490 56578980 370167033667 740334067334 1110501101001 1480668134668 1850835168335 2221002202002 3701670336670 4442004404004 5552505505005 7403340673340 11105011010010 22210022020020