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20401024322 = 272236534601
BaseRepresentation
bin10010111111111111…
…101110110101000010
31221122210010102012102
4102333333232311002
5313240130234242
613212212430402
71321361563010
oct227777566502
957583112172
1020401024322
118719934588
123b54318402
131c017b7533
14db76758b0
157e6082e32
hex4bffeed42

20401024322 has 16 divisors (see below), whose sum is σ = 35130020352. Its totient is φ = 8704087200.

The previous prime is 20401024321. The next prime is 20401024331. The reversal of 20401024322 is 22342010402.

It is a junction number, because it is equal to n+sod(n) for n = 20401024294 and 20401024303.

It is not an unprimeable number, because it can be changed into a prime (20401024321) 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 7 ways as a sum of consecutive naturals, for example, 3264179 + ... + 3270422.

It is an arithmetic number, because the mean of its divisors is an integer number (2195626272).

Almost surely, 220401024322 is an apocalyptic number.

20401024322 is a deficient number, since it is larger than the sum of its proper divisors (14728996030).

20401024322 is a wasteful number, since it uses less digits than its factorization.

20401024322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534833.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20401024322 its reverse (22342010402), we get a palindrome (42743034724).

The spelling of 20401024322 in words is "twenty billion, four hundred one million, twenty-four thousand, three hundred twenty-two".

Divisors: 1 2 7 14 223 446 1561 3122 6534601 13069202 45742207 91484414 1457216023 2914432046 10200512161 20401024322