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20220200988 = 22313314181183
BaseRepresentation
bin10010110101001101…
…111100100000011100
31221012011212122012220
4102311031330200130
5312402332412423
613142233025340
71314034605201
oct226515744034
957164778186
1020220200988
11863685a309
123b03855250
131ba31b5990
14d9b645ca8
157d52659e3
hex4b537c81c

20220200988 has 48 divisors (see below), whose sum is σ = 52448772096. Its totient is φ = 6020902080.

The previous prime is 20220200971. The next prime is 20220201007. The reversal of 20220200988 is 88900202202.

It is a super-2 number, since 2×202202009882 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085756 + ... + 2095427.

It is an arithmetic number, because the mean of its divisors is an integer number (1092682752).

Almost surely, 220220200988 is an apocalyptic number.

It is an amenable number.

20220200988 is an abundant number, since it is smaller than the sum of its proper divisors (32228571108).

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

20220200988 is a wasteful number, since it uses less digits than its factorization.

20220200988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181234 (or 4181232 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 20220200988 in words is "twenty billion, two hundred twenty million, two hundred thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 26 31 39 52 62 78 93 124 156 186 372 403 806 1209 1612 2418 4836 4181183 8362366 12543549 16724732 25087098 50174196 54355379 108710758 129616673 163066137 217421516 259233346 326132274 388850019 518466692 652264548 777700038 1555400076 1685016749 3370033498 5055050247 6740066996 10110100494 20220200988