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2000223131220 = 2232512598826331
BaseRepresentation
bin11101000110110110100…
…101101101011001010100
321002012220222201002110100
4131012312211231121110
5230232424110144340
64130520111254100
7264340252042266
oct35066645553124
97065828632410
102000223131220
117013208a2656
122837a681a330
1311680a85a092
146cb50373b36
153706c8a5830
hex1d1b696d654

2000223131220 has 72 divisors (see below), whose sum is σ = 6072163362720. Its totient is φ = 532969110720.

The previous prime is 2000223131131. The next prime is 2000223131237. The reversal of 2000223131220 is 221313220002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2000223131193 and 2000223131202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4186546 + ... + 4639785.

It is an arithmetic number, because the mean of its divisors is an integer number (84335602260).

Almost surely, 22000223131220 is an apocalyptic number.

2000223131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000223131220 is an abundant number, since it is smaller than the sum of its proper divisors (4071940231500).

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

2000223131220 is a wasteful number, since it uses less digits than its factorization.

2000223131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8827605 (or 8827600 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2000223131220 its reverse (221313220002), we get a palindrome (2221536351222).

The spelling of 2000223131220 in words is "two trillion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1259 2518 3777 5036 6295 7554 11331 12590 15108 18885 22662 25180 37770 45324 56655 75540 113310 226620 8826331 17652662 26478993 35305324 44131655 52957986 79436979 88263310 105915972 132394965 158873958 176526620 264789930 317747916 397184895 529579860 794369790 1588739580 11112350729 22224701458 33337052187 44449402916 55561753645 66674104374 100011156561 111123507290 133348208748 166685260935 200022313122 222247014580 333370521870 400044626244 500055782805 666741043740 1000111565610 2000223131220