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20122303404 = 2237713373961
BaseRepresentation
bin10010101111011000…
…011111101110101100
31220221100122220222110
4102233120133232230
5312202302202104
613124414444020
71311435520410
oct225730375654
956840586873
1020122303404
118596574415
123a96b03610
131b88b2a108
14d8c640d40
157cb878e89
hex4af61fbac

20122303404 has 48 divisors (see below), whose sum is σ = 54415259136. Its totient is φ = 5668252800.

The previous prime is 20122303373. The next prime is 20122303417. The reversal of 20122303404 is 40430322102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681017 + ... + 1692944.

It is an arithmetic number, because the mean of its divisors is an integer number (1133651232).

Almost surely, 220122303404 is an apocalyptic number.

It is an amenable number.

20122303404 is an abundant number, since it is smaller than the sum of its proper divisors (34292955732).

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

20122303404 is a wasteful number, since it uses less digits than its factorization.

20122303404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374046 (or 3374044 counting only the distinct ones).

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

Adding to 20122303404 its reverse (40430322102), we get a palindrome (60552625506).

The spelling of 20122303404 in words is "twenty billion, one hundred twenty-two million, three hundred three thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 852 994 1491 1988 2982 5964 3373961 6747922 10121883 13495844 20243766 23617727 40487532 47235454 70853181 94470908 141706362 239551231 283412724 479102462 718653693 958204924 1437307386 1676858617 2874614772 3353717234 5030575851 6707434468 10061151702 20122303404