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20135677201460 = 2255113119690283
BaseRepresentation
bin1001001010000001100111…
…11000110000110000110100
32122021221200222001110121022
410211000303320300300310
510114400331330421320
6110454111415240312
74145516565141662
oct445006370606064
978257628043538
1020135677201460
1164635469316a7
122312519679098
13b30a2b403372
144d8801709c32
1524db9631d325
hex125033e30c34

20135677201460 has 24 divisors (see below), whose sum is σ = 42285751262496. Its totient is φ = 8054112949280.

The previous prime is 20135677201459. The next prime is 20135677201463. The reversal of 20135677201460 is 6410277653102.

It is a happy number.

It is a super-2 number, since 2×201356772014602 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135677201463) 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, 8822522 + ... + 10867761.

It is an arithmetic number, because the mean of its divisors is an integer number (1761906302604).

Almost surely, 220135677201460 is an apocalyptic number.

20135677201460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20135677201460 is an abundant number, since it is smaller than the sum of its proper divisors (22150074061036).

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

20135677201460 is a wasteful number, since it uses less digits than its factorization.

20135677201460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19741423 (or 19741421 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 20135677201460 in words is "twenty trillion, one hundred thirty-five billion, six hundred seventy-seven million, two hundred one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 51131 102262 204524 255655 511310 1022620 19690283 39380566 78761132 98451415 196902830 393805660 1006783860073 2013567720146 4027135440292 5033919300365 10067838600730 20135677201460