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2002211212020 = 2235324291029023
BaseRepresentation
bin11101001000101101000…
…101101000101011110100
321002102001112122001121120
4131020231011220223310
5230301012032241040
64131445250543540
7264440442332235
oct35105505505364
97072045561546
102002211212020
11702151039138
12284060597bb0
13116a666c0156
146cc9c40908c
15371371b17d0
hex1d22d168af4

2002211212020 has 48 divisors (see below), whose sum is σ = 5606369717760. Its totient is φ = 533906006656.

The previous prime is 2002211212019. The next prime is 2002211212021. The reversal of 2002211212020 is 202121122002.

It is an interprime number because it is at equal distance from previous prime (2002211212019) and next prime (2002211212021).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002211212021) 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, 1431229 + ... + 2460251.

It is an arithmetic number, because the mean of its divisors is an integer number (116799369120).

Almost surely, 22002211212020 is an apocalyptic number.

2002211212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002211212020 is an abundant number, since it is smaller than the sum of its proper divisors (3604158505740).

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

2002211212020 is a wasteful number, since it uses less digits than its factorization.

2002211212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061464 (or 1061462 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002211212020 its reverse (202121122002), we get a palindrome (2204332334022).

The spelling of 2002211212020 in words is "two trillion, two billion, two hundred eleven million, two hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 32429 64858 97287 129716 162145 194574 324290 389148 486435 648580 972870 1029023 1945740 2058046 3087069 4116092 5145115 6174138 10290230 12348276 15435345 20580460 30870690 61741380 33370186867 66740373734 100110560601 133480747468 166850934335 200221121202 333701868670 400442242404 500552803005 667403737340 1001105606010 2002211212020