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20219208966000 = 243253112343791307
BaseRepresentation
bin1001001100011101001101…
…10001001001111101110000
32122120221022102210202202100
410212032212301021331300
510122232414443403000
6111000324255020400
74154534563341132
oct446164661117560
978527272722670
1020219208966000
116495a11390750
12232675020a700
13b38881146985
144dc887551052
15250e348c0a00
hex1263a6c49f70

20219208966000 has 1920 divisors, whose sum is σ = 83362847293440. Its totient is φ = 4518049536000.

The previous prime is 20219208965939. The next prime is 20219208966017. The reversal of 20219208966000 is 66980291202.

20219208966000 is a `hidden beast` number, since 2 + 0 + 2 + 19 + 20 + 8 + 9 + 6 + 600 + 0 = 666.

It is a super-3 number, since 3×202192089660003 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 15469937347 + ... + 15469938653.

It is an arithmetic number, because the mean of its divisors is an integer number (43418149632).

Almost surely, 220219208966000 is an apocalyptic number.

20219208966000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20219208966000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41681423646720).

20219208966000 is an abundant number, since it is smaller than the sum of its proper divisors (63143638327440).

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

20219208966000 is a wasteful number, since it uses less digits than its factorization.

20219208966000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 20219208966000 in words is "twenty trillion, two hundred nineteen billion, two hundred eight million, nine hundred sixty-six thousand".