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22232222020020 = 22351987186480641
BaseRepresentation
bin1010000111000010101111…
…01100100011000110110100
32220201101020210000020221010
411003201113230203012310
510403223042314120040
6115141201454552220
74453140121103205
oct503412754430664
986641223006833
1022232222020020
1170a16a5812631
1225b0906208670
13c536496a06bc
1456c08c3a75ac
152884a002ce80
hex143857b231b4

22232222020020 has 48 divisors (see below), whose sum is σ = 62281550737728. Its totient is φ = 5925608816640.

The previous prime is 22232222020009. The next prime is 22232222020033. The reversal of 22232222020020 is 2002022223222.

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, 93121101 + ... + 93359540.

It is an arithmetic number, because the mean of its divisors is an integer number (1297532307036).

Almost surely, 222232222020020 is an apocalyptic number.

22232222020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232222020020 is an abundant number, since it is smaller than the sum of its proper divisors (40049328717708).

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

22232222020020 is a wasteful number, since it uses less digits than its factorization.

22232222020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186482640 (or 186482638 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22232222020020 its reverse (2002022223222), we get a palindrome (24234244243242).

The spelling of 22232222020020 in words is "twenty-two trillion, two hundred thirty-two billion, two hundred twenty-two million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1987 3974 5961 7948 9935 11922 19870 23844 29805 39740 59610 119220 186480641 372961282 559441923 745922564 932403205 1118883846 1864806410 2237767692 2797209615 3729612820 5594419230 11188838460 370537033667 741074067334 1111611101001 1482148134668 1852685168335 2223222202002 3705370336670 4446444404004 5558055505005 7410740673340 11116111010010 22232222020020