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20838594120 = 2335173654951
BaseRepresentation
bin10011011010000100…
…111011011001001000
31222210021111021010020
4103122010323121020
5320134140002440
613323443220440
71335254061501
oct233204733110
958707437106
1020838594120
118923930213
124056977720
131c71351486
141019819ba8
1581e6b83d0
hex4da13b648

20838594120 has 32 divisors (see below), whose sum is σ = 62515782720. Its totient is φ = 5556958400.

The previous prime is 20838594083. The next prime is 20838594151. The reversal of 20838594120 is 2149583802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86827356 + ... + 86827595.

It is an arithmetic number, because the mean of its divisors is an integer number (1953618210).

Almost surely, 220838594120 is an apocalyptic number.

20838594120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20838594120 is an abundant number, since it is smaller than the sum of its proper divisors (41677188600).

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

20838594120 is a wasteful number, since it uses less digits than its factorization.

20838594120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173654965 (or 173654961 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 20838594120 in words is "twenty billion, eight hundred thirty-eight million, five hundred ninety-four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 173654951 347309902 520964853 694619804 868274755 1041929706 1389239608 1736549510 2083859412 2604824265 3473099020 4167718824 5209648530 6946198040 10419297060 20838594120