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20620309427610 = 235687343647587
BaseRepresentation
bin1001011000001000010100…
…01101111111010110011010
32201000021121211002101021120
410230010022031333112122
510200320343203140420
6111504501145550110
74225524330120054
oct454041215772632
981007554071246
1020620309427610
11663002a113152
12239042baa5336
13b67643767b19
145140579328d4
1525b5acbe1d40
hex12c10a37f59a

20620309427610 has 16 divisors (see below), whose sum is σ = 49488742626336. Its totient is φ = 5498749180688.

The previous prime is 20620309427563. The next prime is 20620309427617. The reversal of 20620309427610 is 1672490302602.

It is not an unprimeable number, because it can be changed into a prime (20620309427617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343671823764 + ... + 343671823823.

It is an arithmetic number, because the mean of its divisors is an integer number (3093046414146).

Almost surely, 220620309427610 is an apocalyptic number.

20620309427610 is an abundant number, since it is smaller than the sum of its proper divisors (28868433198726).

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

20620309427610 is a wasteful number, since it uses less digits than its factorization.

20620309427610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687343647597.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 20620309427610 in words is "twenty trillion, six hundred twenty billion, three hundred nine million, four hundred twenty-seven thousand, six hundred ten".

Divisors: 1 2 3 5 6 10 15 30 687343647587 1374687295174 2062030942761 3436718237935 4124061885522 6873436475870 10310154713805 20620309427610