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20014146515420 = 22519911294454101
BaseRepresentation
bin1001000110011111010000…
…00101111111000111011100
32121212100000021121221121022
410203033220011333013130
510110402433001443140
6110322212203023312
74133655131305031
oct443175005770734
977770007557538
1020014146515420
116416a51a384a2
1222b2a6120ab38
13b22431071715
144d2992d93388
1524a931cab0b5
hex1233e817f1dc

20014146515420 has 48 divisors (see below), whose sum is σ = 42278336184000. Its totient is φ = 7958372083200.

The previous prime is 20014146515317. The next prime is 20014146515431. The reversal of 20014146515420 is 2451564141002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266370 + ... + 6720470.

It is an arithmetic number, because the mean of its divisors is an integer number (880798670500).

Almost surely, 220014146515420 is an apocalyptic number.

20014146515420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014146515420 is an abundant number, since it is smaller than the sum of its proper divisors (22264189668580).

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

20014146515420 is a wasteful number, since it uses less digits than its factorization.

20014146515420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455438 (or 4455436 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 20014146515420 in words is "twenty trillion, fourteen billion, one hundred forty-six million, five hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1129 1990 2258 3980 4516 5645 11290 22580 224671 449342 898684 1123355 2246710 4454101 4493420 8908202 17816404 22270505 44541010 89082020 886366099 1772732198 3545464396 4431830495 5028680029 8863660990 10057360058 17727321980 20114720116 25143400145 50286800290 100573600580 1000707325771 2001414651542 4002829303084 5003536628855 10007073257710 20014146515420