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20220051888672 = 253683308382929
BaseRepresentation
bin1001001100011110110010…
…00000101001101000100000
32122121000111011220200021120
410212033121000221220200
510122241131240414142
6111000544045452240
74154564510144466
oct446173100515040
978530434820246
1020220051888672
116496304178a59
122326946571080
13b3898697779c
144dc927490836
15250e838c57ec
hex1263d9029a20

20220051888672 has 48 divisors (see below), whose sum is σ = 53155348878240. Its totient is φ = 6730149020672.

The previous prime is 20220051888613. The next prime is 20220051888683. The reversal of 20220051888672 is 27688815002202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×202200518886722 (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 154125897 + ... + 154257032.

It is an arithmetic number, because the mean of its divisors is an integer number (1107403101630).

Almost surely, 220220051888672 is an apocalyptic number.

It is an amenable number.

20220051888672 is an abundant number, since it is smaller than the sum of its proper divisors (32935296989568).

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

20220051888672 is a wasteful number, since it uses less digits than its factorization.

20220051888672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308383625 (or 308383617 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 20220051888672 in words is "twenty trillion, two hundred twenty billion, fifty-one million, eight hundred eighty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 683 1366 2049 2732 4098 5464 8196 10928 16392 21856 32784 65568 308382929 616765858 925148787 1233531716 1850297574 2467063432 3700595148 4934126864 7401190296 9868253728 14802380592 29604761184 210625540507 421251081014 631876621521 842502162028 1263753243042 1685004324056 2527506486084 3370008648112 5055012972168 6740017296224 10110025944336 20220051888672