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20122322232 = 2331794683967
BaseRepresentation
bin10010101111011000…
…100100010100111000
31220221100200212210210
4102233120210110320
5312202303302412
613124415111120
71311435626325
oct225730442470
956840625723
1020122322232
118596587581
123a96b124a0
131b88b3585c
14d8c647b4c
157cb87e83c
hex4af624538

20122322232 has 32 divisors (see below), whose sum is σ = 50586854400. Its totient is φ = 6669967584.

The previous prime is 20122322197. The next prime is 20122322243. The reversal of 20122322232 is 23222322102.

It is a junction number, because it is equal to n+sod(n) for n = 20122322199 and 20122322208.

It is a congruent number.

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, 2337688 + ... + 2346279.

It is an arithmetic number, because the mean of its divisors is an integer number (1580839200).

Almost surely, 220122322232 is an apocalyptic number.

It is an amenable number.

20122322232 is an abundant number, since it is smaller than the sum of its proper divisors (30464532168).

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

20122322232 is a wasteful number, since it uses less digits than its factorization.

20122322232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684155 (or 4684151 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20122322232 its reverse (23222322102), we get a palindrome (43344644334).

The spelling of 20122322232 in words is "twenty billion, one hundred twenty-two million, three hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 179 358 537 716 1074 1432 2148 4296 4683967 9367934 14051901 18735868 28103802 37471736 56207604 112415208 838430093 1676860186 2515290279 3353720372 5030580558 6707440744 10061161116 20122322232