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20341413440 = 265232763779
BaseRepresentation
bin10010111100011100…
…010101011001000000
31221111121221212102222
4102330130111121000
5313124400212230
613202243030212
71320036106235
oct227434253100
957447855388
1020341413440
118699219a97
123b3836b368
131bc234571a
14dad79978c
157e0c0a6e5
hex4bc715640

20341413440 has 56 divisors (see below), whose sum is σ = 50544008640. Its totient is φ = 7782798848.

The previous prime is 20341413439. The next prime is 20341413467. The reversal of 20341413440 is 4431414302.

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, 1374530 + ... + 1389249.

Almost surely, 220341413440 is an apocalyptic number.

20341413440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341413440 is an abundant number, since it is smaller than the sum of its proper divisors (30202595200).

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

20341413440 is a wasteful number, since it uses less digits than its factorization.

20341413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763819 (or 2763809 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20341413440 its reverse (4431414302), we get a palindrome (24772827742).

The spelling of 20341413440 in words is "twenty billion, three hundred forty-one million, four hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 160 184 230 320 368 460 736 920 1472 1840 3680 7360 2763779 5527558 11055116 13818895 22110232 27637790 44220464 55275580 63566917 88440928 110551160 127133834 176881856 221102320 254267668 317834585 442204640 508535336 635669170 884409280 1017070672 1271338340 2034141344 2542676680 4068282688 5085353360 10170706720 20341413440