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20730819922 = 282699125339
BaseRepresentation
bin10011010011101001…
…110011010101010010
31222111202200202201021
4103103221303111102
5314424042214142
613305033230054
71332505030141
oct232351632522
958452622637
1020730819922
11887900992a
12402686232a
131c54c18267
1410093a3758
15814eca267
hex4d3a73552

20730819922 has 8 divisors (see below), whose sum is σ = 31096854000. Its totient is φ = 10365201924.

The previous prime is 20730819883. The next prime is 20730819973. The reversal of 20730819922 is 22991803702.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102729 + ... + 228067.

It is an arithmetic number, because the mean of its divisors is an integer number (3887106750).

Almost surely, 220730819922 is an apocalyptic number.

20730819922 is a deficient number, since it is larger than the sum of its proper divisors (10366034078).

20730819922 is a wasteful number, since it uses less digits than its factorization.

20730819922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208040.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 20730819922 in words is "twenty billion, seven hundred thirty million, eight hundred nineteen thousand, nine hundred twenty-two".

Divisors: 1 2 82699 125339 165398 250678 10365409961 20730819922