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20202018496 = 261131925679
BaseRepresentation
bin10010110100001000…
…100101011011000000
31221010220122212112021
4102310020211123000
5312333204042441
613140343211224
71313424216052
oct226410453300
957126585467
1020202018496
118627570560
123ab9746b14
131b9c4ba8ca
14d990718d2
157d38733d1
hex4b42256c0

20202018496 has 56 divisors (see below), whose sum is σ = 45143562240. Its totient is φ = 8886508800.

The previous prime is 20202018433. The next prime is 20202018509. The reversal of 20202018496 is 69481020202.

It is a super-2 number, since 2×202020184962 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441016 + ... + 484663.

It is an arithmetic number, because the mean of its divisors is an integer number (806135040).

Almost surely, 220202018496 is an apocalyptic number.

It is an amenable number.

20202018496 is an abundant number, since it is smaller than the sum of its proper divisors (24941543744).

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

20202018496 is a wasteful number, since it uses less digits than its factorization.

20202018496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925733 (or 925723 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 20202018496 its reverse (69481020202), we get a palindrome (89683038698).

The spelling of 20202018496 in words is "twenty billion, two hundred two million, eighteen thousand, four hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 31 32 44 62 64 88 124 176 248 341 352 496 682 704 992 1364 1984 2728 5456 10912 21824 925679 1851358 3702716 7405432 10182469 14810864 20364938 28696049 29621728 40729876 57392098 59243456 81459752 114784196 162919504 229568392 315656539 325839008 459136784 631313078 651678016 918273568 1262626156 1836547136 2525252312 5050504624 10101009248 20202018496