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130202013120020 = 22516840938656489
BaseRepresentation
bin11101100110101100000100…
…101111011011011000010100
3122002000012011011100001202222
4131212230010233123120110
5114031212210324320040
61140525551252121512
736265533155663162
oct3546540457333024
9562005134301688
10130202013120020
1138539400057286
121272a032906298
135785cc699342a
142421b4d792232
15100bcbe622bb5
hex766b04bdb614

130202013120020 has 24 divisors (see below), whose sum is σ = 273425858197800. Its totient is φ = 52080494648832.

The previous prime is 130202013120013. The next prime is 130202013120043. The reversal of 130202013120020 is 20021310202031.

It can be written as a sum of positive squares in 4 ways, for example, as 327316717456 + 129874696402564 = 572116^2 + 11396258^2 .

It is a congruent number.

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, 15960065 + ... + 22696424.

It is an arithmetic number, because the mean of its divisors is an integer number (11392744091575).

Almost surely, 2130202013120020 is an apocalyptic number.

130202013120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130202013120020 is an abundant number, since it is smaller than the sum of its proper divisors (143223845077780).

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

130202013120020 is a wasteful number, since it uses less digits than its factorization.

130202013120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38824907 (or 38824905 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 130202013120020 its reverse (20021310202031), we get a palindrome (150223323322051).

The spelling of 130202013120020 in words is "one hundred thirty trillion, two hundred two billion, thirteen million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 168409 336818 673636 842045 1684090 3368180 38656489 77312978 154625956 193282445 386564890 773129780 6510100656001 13020201312002 26040402624004 32550503280005 65101006560010 130202013120020