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20055051324 = 223271126327509
BaseRepresentation
bin10010101011010111…
…111100110000111100
31220202200010011110200
4102223113330300330
5312033043120244
613114013203500
71306661060250
oct225327746074
956680104420
1020055051324
11856160a990
123a78490590
131b77c11299
14d83736260
157c59e2669
hex4ab5fcc3c

20055051324 has 144 divisors (see below), whose sum is σ = 63446423040. Its totient is φ = 5189109120.

The previous prime is 20055051299. The next prime is 20055051391. The reversal of 20055051324 is 42315055002.

It is a happy number.

20055051324 is a `hidden beast` number, since 20 + 0 + 5 + 505 + 132 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 715282 + ... + 742790.

It is an arithmetic number, because the mean of its divisors is an integer number (440600160).

Almost surely, 220055051324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20055051324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31723211520).

20055051324 is an abundant number, since it is smaller than the sum of its proper divisors (43391371716).

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

20055051324 is a wasteful number, since it uses less digits than its factorization.

20055051324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27800 (or 27795 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 20055051324 in words is "twenty billion, fifty-five million, fifty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 263 308 396 462 526 693 789 924 1052 1386 1578 1841 2367 2772 2893 3156 3682 4734 5523 5786 7364 8679 9468 11046 11572 16569 17358 20251 22092 26037 27509 33138 34716 40502 52074 55018 60753 66276 81004 82527 104148 110036 121506 165054 182259 192563 243012 247581 302599 330108 364518 385126 495162 577689 605198 729036 770252 907797 990324 1155378 1210396 1733067 1815594 2118193 2310756 2723391 3466134 3631188 4236386 5446782 6354579 6932268 7234867 8472772 10893564 12709158 14469734 19063737 21704601 25418316 28939468 38127474 43409202 50644069 65113803 76254948 79583537 86818404 101288138 130227606 151932207 159167074 202576276 238750611 260455212 303864414 318334148 455796621 477501222 557084759 607728828 716251833 911593242 955002444 1114169518 1432503666 1671254277 1823186484 2228339036 2865007332 3342508554 5013762831 6685017108 10027525662 20055051324