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20422454404302 = 2327323965030137
BaseRepresentation
bin1001010010010111110010…
…01000111110010011001110
32200022100220221221210122100
410221023321020332103032
510134100141311414202
6111233540202055530
74205321313143316
oct451137110762316
980270827853570
1020422454404302
11656412910a765
12235a0127aa5a6
13b51aa1953632
14508648688446
1525637cc1b41c
hex1292f923e4ce

20422454404302 has 48 divisors (see below), whose sum is σ = 45042474784320. Its totient is φ = 6686138462976.

The previous prime is 20422454404283. The next prime is 20422454404307. The reversal of 20422454404302 is 20340445422402.

It is a happy number.

20422454404302 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 245 + 4 + 404 + 3 + 0 + 2 = 666.

It is a super-2 number, since 2×204224544043022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422454404307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32201023 + ... + 32829114.

It is an arithmetic number, because the mean of its divisors is an integer number (938384891340).

Almost surely, 220422454404302 is an apocalyptic number.

20422454404302 is an abundant number, since it is smaller than the sum of its proper divisors (24620020380018).

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

20422454404302 is a wasteful number, since it uses less digits than its factorization.

20422454404302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65030457 (or 65030454 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 36.

Adding to 20422454404302 its reverse (20340445422402), we get a palindrome (40762899826704).

The spelling of 20422454404302 in words is "twenty trillion, four hundred twenty-two billion, four hundred fifty-four million, four hundred four thousand, three hundred two".

Divisors: 1 2 3 6 9 18 73 146 219 239 438 478 657 717 1314 1434 2151 4302 17447 34894 52341 104682 157023 314046 65030137 130060274 195090411 390180822 585271233 1170542466 4747200001 9494400002 14241600003 15542202743 28483200006 31084405486 42724800009 46626608229 85449600018 93253216458 139879824687 279759649374 1134580800239 2269161600478 3403742400717 6807484801434 10211227202151 20422454404302