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2323120020 = 2235138833373
BaseRepresentation
bin1000101001110111…
…1111111110010100
312222220100201120020
42022131333332110
514224204320040
61022304305140
7111366123444
oct21235777624
95886321506
102323120020
11a92382501
1254a0121b0
132b03ab740
1418076a124
15d8e3bcd0
hex8a77ff94

2323120020 has 96 divisors (see below), whose sum is σ = 7015112832. Its totient is φ = 571027968.

The previous prime is 2323119979. The next prime is 2323120069. The reversal of 2323120020 is 200213232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687054 + ... + 690426.

It is an arithmetic number, because the mean of its divisors is an integer number (73074092).

Almost surely, 22323120020 is an apocalyptic number.

2323120020 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 2323120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507556416).

2323120020 is an abundant number, since it is smaller than the sum of its proper divisors (4691992812).

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

2323120020 is a wasteful number, since it uses less digits than its factorization.

2323120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4279 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2323120020 is about 48198.7553781215. The cubic root of 2323120020 is about 1324.4143646660.

Adding to 2323120020 its reverse (200213232), we get a palindrome (2523333252).

The spelling of 2323120020 in words is "two billion, three hundred twenty-three million, one hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 883 1766 2649 3373 3532 4415 5298 6746 8830 10119 10596 11479 13245 13492 16865 17660 20238 22958 26490 33730 34437 40476 43849 45916 50595 52980 57395 67460 68874 87698 101190 114790 131547 137748 172185 175396 202380 219245 229580 263094 344370 438490 526188 657735 688740 876980 1315470 2630940 2978359 5956718 8935077 11913436 14891795 17870154 29783590 35740308 38718667 44675385 59567180 77437334 89350770 116156001 154874668 178701540 193593335 232312002 387186670 464624004 580780005 774373340 1161560010 2323120020