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20023022112 = 2531671248941
BaseRepresentation
bin10010101001011101…
…110001001000100000
31220200102211220122120
4102221131301020200
5312001343201422
613110510504240
71306121610522
oct225135611040
956612756576
1020023022112
118545523965
123a69805080
131b713a87a2
14d7d399a12
157c2cb745c
hex4a9771220

20023022112 has 48 divisors (see below), whose sum is σ = 52875208512. Its totient is φ = 6634369280.

The previous prime is 20023022099. The next prime is 20023022143. The reversal of 20023022112 is 21122032002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20023022091 and 20023022100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608439 + ... + 640502.

It is an arithmetic number, because the mean of its divisors is an integer number (1101566844).

Almost surely, 220023022112 is an apocalyptic number.

It is an amenable number.

20023022112 is an abundant number, since it is smaller than the sum of its proper divisors (32852186400).

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

20023022112 is a wasteful number, since it uses less digits than its factorization.

20023022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249121 (or 1249113 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20023022112 its reverse (21122032002), we get a palindrome (41145054114).

The spelling of 20023022112 in words is "twenty billion, twenty-three million, twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 167 334 501 668 1002 1336 2004 2672 4008 5344 8016 16032 1248941 2497882 3746823 4995764 7493646 9991528 14987292 19983056 29974584 39966112 59949168 119898336 208573147 417146294 625719441 834292588 1251438882 1668585176 2502877764 3337170352 5005755528 6674340704 10011511056 20023022112