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202212000020 = 22561331949939
BaseRepresentation
bin1011110001010011000…
…1100100000100010100
3201022221111112221002002
42330110301210010110
511303112233000040
6232521144534432
720416000432442
oct2742461440424
9638844487062
10202212000020
1178837447598
1233234481418
13160b7692824
149b03ba3b92
1553d7761a15
hex2f14c64114

202212000020 has 48 divisors (see below), whose sum is σ = 431745283200. Its totient is φ = 79533256320.

The previous prime is 202211999989. The next prime is 202212000037. The reversal of 202212000020 is 20000212202.

It is a junction number, because it is equal to n+sod(n) for n = 202211999965 and 202212000010.

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, 4024211 + ... + 4074149.

It is an arithmetic number, because the mean of its divisors is an integer number (8994693400).

Almost surely, 2202212000020 is an apocalyptic number.

202212000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212000020 is an abundant number, since it is smaller than the sum of its proper divisors (229533283180).

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

202212000020 is a wasteful number, since it uses less digits than its factorization.

202212000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53328 (or 53326 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 202212000020 its reverse (20000212202), we get a palindrome (222212212222).

The spelling of 202212000020 in words is "two hundred two billion, two hundred twelve million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 3319 6638 13276 16595 33190 49939 66380 99878 199756 202459 249695 404918 499390 809836 998780 1012295 2024590 3046279 4049180 6092558 12185116 15231395 30462790 60925580 165747541 331495082 662990164 828737705 1657475410 3314950820 10110600001 20221200002 40442400004 50553000005 101106000010 202212000020