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20122625740660 = 22521292172721751
BaseRepresentation
bin1001001001101001010011…
…11101011000111101110100
32122020201000101102120012021
410210310221331120331310
510114142114142200120
6110444112345202524
74144545265433602
oct444645175307564
978221011376167
1020122625740660
116458a596a8a63
12230ba96790444
13b2c72b4843b1
144d7d241c6872
1524d680603aaa
hex124d29f58f74

20122625740660 has 48 divisors (see below), whose sum is σ = 42281252213760. Its totient is φ = 8044529472000.

The previous prime is 20122625740627. The next prime is 20122625740661. The reversal of 20122625740660 is 6604752622102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122625740661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925124785 + ... + 925146535.

It is an arithmetic number, because the mean of its divisors is an integer number (880859421120).

Almost surely, 220122625740660 is an apocalyptic number.

20122625740660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122625740660 is an abundant number, since it is smaller than the sum of its proper divisors (22158626473100).

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

20122625740660 is a wasteful number, since it uses less digits than its factorization.

20122625740660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45616 (or 45614 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 20122625740660 in words is "twenty trillion, one hundred twenty-two billion, six hundred twenty-five million, seven hundred forty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 2129 4258 8516 10645 21290 21727 21751 42580 43454 43502 86908 87004 108635 108755 217270 217510 434540 435020 46256783 46307879 92513566 92615758 185027132 185231516 231283915 231539395 462567830 463078790 472583977 925135660 926157580 945167954 1890335908 2362919885 4725839770 9451679540 1006131287033 2012262574066 4024525148132 5030656435165 10061312870330 20122625740660