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20221254054 = 23267142311783
BaseRepresentation
bin10010110101010001…
…111101100110100110
31221012020212010202100
4102311101331212212
5312403120112204
613142311352530
71314046552311
oct226521754646
957166763670
1020221254054
118637409511
123b04082746
131ba34940b1
14d9b83b978
157d53c2a39
hex4b547d9a6

20221254054 has 48 divisors (see below), whose sum is σ = 44501663232. Its totient is φ = 6634585584.

The previous prime is 20221254049. The next prime is 20221254083. The reversal of 20221254054 is 45045212202.

It is a super-2 number, since 2×202212540542 (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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1710247 + ... + 1722029.

It is an arithmetic number, because the mean of its divisors is an integer number (927117984).

Almost surely, 220221254054 is an apocalyptic number.

20221254054 is an abundant number, since it is smaller than the sum of its proper divisors (24280409178).

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

20221254054 is a wasteful number, since it uses less digits than its factorization.

20221254054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281 (or 13278 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20221254054 its reverse (45045212202), we get a palindrome (65266466256).

The spelling of 20221254054 in words is "twenty billion, two hundred twenty-one million, two hundred fifty-four thousand, fifty-four".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 1423 2846 4269 8538 11783 12807 23566 25614 35349 70698 95341 106047 190682 212094 286023 572046 789461 858069 1578922 1716138 2368383 4736766 7105149 14210298 16767209 33534418 50301627 100603254 150904881 301809762 1123403003 2246806006 3370209009 6740418018 10110627027 20221254054