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20022000212220 = 223510193203102241
BaseRepresentation
bin1001000110101101111000…
…01101011101100011111100
32121220002021121202002020120
410203112330031131203330
510111020024023242340
6110325551355014540
74134353554523166
oct443267415354374
977802247662216
1020022000212220
11641a312169106
1222b449343a450
13b230b31ab4a6
144d30da055936
1524ac415074d0
hex1235bc35d8fc

20022000212220 has 96 divisors (see below), whose sum is σ = 56134685940480. Its totient is φ = 5332242954240.

The previous prime is 20022000212101. The next prime is 20022000212237. The reversal of 20022000212220 is 2221200022002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20022000212220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195780300 + ... + 195882540.

It is an arithmetic number, because the mean of its divisors is an integer number (584736311880).

Almost surely, 220022000212220 is an apocalyptic number.

20022000212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022000212220 is an abundant number, since it is smaller than the sum of its proper divisors (36112685728260).

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

20022000212220 is a wasteful number, since it uses less digits than its factorization.

20022000212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106475 (or 106473 counting only the distinct ones).

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

Adding to 20022000212220 its reverse (2221200022002), we get a palindrome (22243200234222).

The spelling of 20022000212220 in words is "twenty trillion, twenty-two billion, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1019 2038 3057 3203 4076 5095 6114 6406 9609 10190 12228 12812 15285 16015 19218 20380 30570 32030 38436 48045 61140 64060 96090 102241 192180 204482 306723 408964 511205 613446 1022410 1226892 1533615 2044820 3067230 3263857 6134460 6527714 9791571 13055428 16319285 19583142 32638570 39166284 48957855 65277140 97915710 104183579 195831420 208367158 312550737 327477923 416734316 520917895 625101474 654955846 982433769 1041835790 1250202948 1309911692 1562753685 1637389615 1964867538 2083671580 3125507370 3274779230 3929735076 4912168845 6251014740 6549558460 9824337690 19648675380 333700003537 667400007074 1001100010611 1334800014148 1668500017685 2002200021222 3337000035370 4004400042444 5005500053055 6674000070740 10011000106110 20022000212220