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20010322121321 = 715413171854659
BaseRepresentation
bin1001000110011000001000…
…01001000101001001101001
32121211222010202100121011102
410203030010021011021221
510110322114430340241
6110320340505011145
74133461302426020
oct443140411051151
977758122317142
1020010322121321
11641536a195614
1222b2174483ab5
13b21c71945b2c
144d270d0b18b7
1524a7ab17239b
hex123304245269

20010322121321 has 8 divisors (see below), whose sum is σ = 22868966735040. Its totient is φ = 17151684299568.

The previous prime is 20010322121311. The next prime is 20010322121351. The reversal of 20010322121321 is 12312122301002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-20010322121321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010322121293 and 20010322121302.

It is not an unprimeable number, because it can be changed into a prime (20010322121311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9861890 + ... + 11716548.

It is an arithmetic number, because the mean of its divisors is an integer number (2858620841880).

Almost surely, 220010322121321 is an apocalyptic number.

It is an amenable number.

20010322121321 is a deficient number, since it is larger than the sum of its proper divisors (2858644613719).

20010322121321 is a wasteful number, since it uses less digits than its factorization.

20010322121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395983.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20010322121321 its reverse (12312122301002), we get a palindrome (32322444422323).

The spelling of 20010322121321 in words is "twenty trillion, ten billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 7 1541317 1854659 10789219 12982613 2858617445903 20010322121321