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20333335408 = 244792653097
BaseRepresentation
bin10010111011111101…
…100001001101110000
31221111001202110110121
4102323331201031300
5313120313213113
613201353540024
71316610333151
oct227375411560
957431673417
1020333335408
118694701931
123b35714614
131bc0777919
14dac695928
157e0161e8d
hex4bbf61370

20333335408 has 20 divisors (see below), whose sum is σ = 39478098240. Its totient is φ = 10145439104.

The previous prime is 20333335397. The next prime is 20333335423. The reversal of 20333335408 is 80453333302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318885 + ... + 1334212.

It is an arithmetic number, because the mean of its divisors is an integer number (1973904912).

Almost surely, 220333335408 is an apocalyptic number.

It is an amenable number.

20333335408 is a deficient number, since it is larger than the sum of its proper divisors (19144762832).

20333335408 is a wasteful number, since it uses less digits than its factorization.

20333335408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653584 (or 2653578 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 34.

The spelling of 20333335408 in words is "twenty billion, three hundred thirty-three million, three hundred thirty-five thousand, four hundred eight".

Divisors: 1 2 4 8 16 479 958 1916 3832 7664 2653097 5306194 10612388 21224776 42449552 1270833463 2541666926 5083333852 10166667704 20333335408