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20222200404 = 22327711130237
BaseRepresentation
bin10010110101010101…
…100100101001010100
31221012022122012220100
4102311111210221110
5312403340403104
613142343534100
71314060603330
oct226525445124
957168565810
1020222200404
1186379a551a
123b0445a330
131ba3735a73
14d9ba067c0
157d550d139
hex4b5564a54

20222200404 has 72 divisors (see below), whose sum is σ = 59242555008. Its totient is φ = 5696389440.

The previous prime is 20222200387. The next prime is 20222200469. The reversal of 20222200404 is 40400222202.

20222200404 is a `hidden beast` number, since 20 + 22 + 220 + 0 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547227 + ... + 583010.

It is an arithmetic number, because the mean of its divisors is an integer number (822813264).

Almost surely, 220222200404 is an apocalyptic number.

It is an amenable number.

20222200404 is an abundant number, since it is smaller than the sum of its proper divisors (39020354604).

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

20222200404 is a wasteful number, since it uses less digits than its factorization.

20222200404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130325 (or 1130320 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20222200404 its reverse (40400222202), we get a palindrome (60622422606).

The spelling of 20222200404 in words is "twenty billion, two hundred twenty-two million, two hundred thousand, four hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 71 84 126 142 213 252 284 426 497 639 852 994 1278 1491 1988 2556 2982 4473 5964 8946 17892 1130237 2260474 3390711 4520948 6781422 7911659 10172133 13562844 15823318 20344266 23734977 31646636 40688532 47469954 71204931 80246827 94939908 142409862 160493654 240740481 284819724 320987308 481480962 561727789 722221443 962961924 1123455578 1444442886 1685183367 2246911156 2888885772 3370366734 5055550101 6740733468 10111100202 20222200404