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20462930500 = 2253474332011
BaseRepresentation
bin10011000011101011…
…111000101001000100
31221211002121120111211
4103003223320221010
5313402002234000
613222303341204
71323043016335
oct230353705104
957732546454
1020462930500
118750877611
123b70bb1804
131c11580ccc
14dc198c28c
157eb7107ba
hex4c3af8a44

20462930500 has 96 divisors (see below), whose sum is σ = 45770070528. Its totient is φ = 7988544000.

The previous prime is 20462930483. The next prime is 20462930503. The reversal of 20462930500 is 503926402.

It is not an unprimeable number, because it can be changed into a prime (20462930503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10174495 + ... + 10176505.

It is an arithmetic number, because the mean of its divisors is an integer number (476771568).

Almost surely, 220462930500 is an apocalyptic number.

20462930500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20462930500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22885035264).

20462930500 is an abundant number, since it is smaller than the sum of its proper divisors (25307140028).

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

20462930500 is a wasteful number, since it uses less digits than its factorization.

20462930500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 20462930500 in words is "twenty billion, four hundred sixty-two million, nine hundred thirty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 125 188 235 250 433 470 500 866 940 1175 1732 2011 2165 2350 4022 4330 4700 5875 8044 8660 10055 10825 11750 20110 20351 21650 23500 40220 40702 43300 50275 54125 81404 94517 100550 101755 108250 189034 201100 203510 216500 251375 378068 407020 472585 502750 508775 870763 945170 1005500 1017550 1741526 1890340 2035100 2362925 2543875 3483052 4353815 4725850 5087750 8707630 9451700 10175500 11814625 17415260 21769075 23629250 40925861 43538150 47258500 81851722 87076300 108845375 163703444 204629305 217690750 409258610 435381500 818517220 1023146525 2046293050 4092586100 5115732625 10231465250 20462930500