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20605443605322 = 2310134002382187
BaseRepresentation
bin1001010111101100101000…
…01001011000001101001010
32200221212020210102100210220
410223312110021120031022
510200044422030332242
6111454002103450510
74224460046531232
oct453662411301512
980855223370726
1020605443605322
1166247a0806904
122389581456a36
13b6611496ac84
14513447478cc2
1525aedca83bec
hex12bd9425834a

20605443605322 has 16 divisors (see below), whose sum is σ = 41618915798112. Its totient is φ = 6800476437200.

The previous prime is 20605443605297. The next prime is 20605443605339. The reversal of 20605443605322 is 22350634450602.

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, 17001190488 + ... + 17001191699.

It is an arithmetic number, because the mean of its divisors is an integer number (2601182237382).

Almost surely, 220605443605322 is an apocalyptic number.

20605443605322 is an abundant number, since it is smaller than the sum of its proper divisors (21013472192790).

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

20605443605322 is a wasteful number, since it uses less digits than its factorization.

20605443605322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34002382293.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 20605443605322 in words is "twenty trillion, six hundred five billion, four hundred forty-three million, six hundred five thousand, three hundred twenty-two".

Divisors: 1 2 3 6 101 202 303 606 34002382187 68004764374 102007146561 204014293122 3434240600887 6868481201774 10302721802661 20605443605322