Search a number
-
+
20534606120 = 2357265927581
BaseRepresentation
bin10011000111111101…
…010011100100101000
31222000002111001222102
4103013331103210220
5314023324343440
613233343512532
71324603162220
oct230775234450
958002431872
1020534606120
118788282566
123b90bb8748
131c23388412
14dcb2c9080
15802b6cb15
hex4c7f53928

20534606120 has 64 divisors (see below), whose sum is σ = 52825046400. Its totient is φ = 7037533440.

The previous prime is 20534606083. The next prime is 20534606123. The reversal of 20534606120 is 2160643502.

It is not an unprimeable number, because it can be changed into a prime (20534606123) 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, 730730 + ... + 758310.

It is an arithmetic number, because the mean of its divisors is an integer number (825391350).

Almost surely, 220534606120 is an apocalyptic number.

20534606120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20534606120 is an abundant number, since it is smaller than the sum of its proper divisors (32290440280).

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

20534606120 is a wasteful number, since it uses less digits than its factorization.

20534606120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30258 (or 30254 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 20534606120 in words is "twenty billion, five hundred thirty-four million, six hundred six thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 2659 5318 10636 13295 18613 21272 26590 27581 37226 53180 55162 74452 93065 106360 110324 137905 148904 186130 193067 220648 275810 372260 386134 551620 744520 772268 965335 1103240 1544536 1930670 3861340 7722680 73337879 146675758 293351516 366689395 513365153 586703032 733378790 1026730306 1466757580 2053460612 2566825765 2933515160 4106921224 5133651530 10267303060 20534606120